The following notes will afford some idea to members who could not attend the meeting as to the principal objects of interest which were seen at the undermentioned collieries, opened to their inspection by the kindness of their respective owners.
WINDING ENGINE.-High Pressure Vertical Condensing Engine; cylinder, 39 inches, 6 feet stroke; drum, 18 feet 10 inches diameter; single deck cage, carrying two tubs, 62 cwt. of coals each; two winding shafts, each 8 feet diameter, originally sunk for 11 corves."
HAULING ENGINE, UNDERGROUND.-High Pressure Horizontal Non-condensing; two cylinders, each 18 inches diameter, 3 feet stroke; geared 21 to 1, working endless chain; steam brought from surface.
PUMPING ENGINE.-Vertical Condensing Beam Engine; one cylinder, 72 inches diameter, 7 feet stroke. Pumps.-Bottom set lifting, 16 inches diameter, 6 feet stroke; middle set forcing, 16 inches
diameter, 6 feet stroke; top set, 18 inches diameter, 6 feet stroke.
SCREENS.-Ordinary, with “Yankee Jack" system.
VENTILATION.-Two furnaces.
WORKINGS.-Longwall system.
COAL-WASHING MACHINE. -Sheppard's, to wash 200 tons in 11 hours,
FITTING SHOPS.-Gas works, saw mill, and steam prop-cutter.
WINDING ENGINE.-High Pressure Horizontal Engine; 2 cylinders, 36 inches diameter, 6 feet stroke each; drum, 18 feet 6 inches diameter; double deck cage, carrying 4 tubs, 81 cwt. of coals each.
HAULING ENGINES, UNDERGROUND.-Air Compressor; 2 cylinders, 20 inches diameter, 3 feet 6 inches stroke each; 1 ail; cylinder, 22 inches diameter, 3 feet 6 inches stroke; air receiver and pipes. Hauling engine in-bye; 1 cylinder, 12 inches diameter, 24 inches stroke; geared 4 to 1; working endless chain.
SELF-ACTING ENDLESS ROPE.-On inclined plane.
PUMPING ENGINE, UNDERGROUND.-Compound Horizontal Engine; high pressure cylinders, 35 inches diameter; low pressure cylinders, 60 inches diameter; stroke, 4 feet; two double-acting plungers, each 9 inches diameter and 4 feet stroke; steam brought from surface.
SCREENS.-“Billy Fairplay" system.
VENTILATION.- Guibal fan, 36 feet by 12 feet.
WORKINGS.-Longwall system.
BOILERS.-Eight Lancashire.
COAL-WASHING MACHINE.-Sheppard's, to wash 200 tons in 11 hours.
BRICK-WORKS AND GAS WORKS.
WINDING ENGINE.-High Pressure Horizontal Engine; two cylinders, 20 inches and 22 inches diameter; stroke, 3 feet 6 inches; drum, 10 feet diameter; single deck cage, carrying two tubs 92 cwt. of coals each.
HAULING ENGINE, UNDERGROUND.-High Pressure Horizontal Engine; two cylinders, each 14 inches diameter; stroke, 20 inches; geared 5 to 1; clip pulleys; endless rope on side of tub; has been at work five years with the original rope; steam from surface. SCREENS.-" Billy Fairplay" system.
WORKINGS.-Longwall system.
BOILERS.-Three Lancashire.
WINDING ENGINE.-High Pressure Horizontal Engine; two cylinders, each 24 inches diameter, 4 feet 6 inches stroke; drum, 13 feet diameter; double deck cage; King and Humble's safety hook. This pit is used for changing men.
WINDING ENGINE.-High Pressure Horizontal Engine; two cylinders, each 28 inches diameter, 4 feet 6 inches stroke; drum, 14 feet 44 inches diameter; double deck cage, carrying four tubs, 82 cwt. of coals each.
HAULING ENGINE, UNDERGROUND.-High Pressure Horizontal Engine; two cylinders, each 18 inches diameter, and 36 inches stroke; geared 2 to 1; working endless chain; steam from surface.
PUMPING ENGINE.-Hathorn, Davey, & Co.'s Compound Differential Pumping Engine, on surface; high pressure cylinder, 24 inches diameter; low pressure cylinder, 41 inches diameter; stroke, 7 feet; working two rams at bottom, each 172 inches diameter, 7 feet stroke, by means of quadrants and spears; pumping about 1,000 gallons per minute.
SCREENS.-"Yankee Jack" system.
VENTILATION.-Guibal fan, 30 feet by 10 feet.
WORKING. -Longwall system.
CRAB ENGINE.-One cylinder, 14 inches diameter, 30 inches stroke.
HYDRAULIC ENGINE.-Pumping from dip workings; one cylinder, 52 inches diameter, 2 feet stroke; double-acting plunger, 9 inches diameter, 2 feet stroke.
BOREHOLE to Old Hester Pit workings; feeder, 800 gallons per minute. Boilers.-Eight Lancashire.
WINDING ENGINE.-Horizontal; one 36-inch cylinder, 6 feet stroke; 14 feet drum.
Belts and jigging screen.
Robinson's Washer for cleaning shall coal. Endless rope haulage underground.
WINDING ENGINE.-Condensing Vertical Single Cylinder, 50 inches diameter, 6 feet stroke; 182 feet drum; cage with two decks, two tubs on each deck.
PUMPING ENGINE, UNDERGROUND.-Single Cylinder Horizontal High Pressure Engine; cylinder, 18 inches diameter, 3 feet stroke; 12 inch pumps; Cornish boiler, 20 feet by 6 feet, 1 tube.
WINDING ENGINE.-High Pressure Horizontal Double Cylinder Engines; cylinders, 22 inches diameter, 5 feet stroke; 10 feet drum; double decked cage with single tub on each deck.
PUMPING ENGINE AT BANK.-Condensing, Single Cylinder, Vertical, 51 inches diameter; lifting set on each end of beam, which is 17 inches by 14 inches; stroke in cylinder, 6 feet; stroke in pit, 8 feet 4 inches at one end and 6 feet 6 inches at the other.
HAULING ENGINE, UNDERGROUND.-Double Cylinder Horizontal High Pressure; cylinders, 14 inches diameter, 2 feet 6 inches stroke; 5 feet drum, coupled 3 to 1; main and tail rope; 2 Galloway boilers, 18 feet by 6 feet; electric signals.
WINDING ENGINES.-High Pressure Horizontal Single Cylinder Engine; jacketed; 40 inches diameter, 72 inches stroke; drum and pulleys, 15 feet; Ormerod's safety links; steam and foot brakes, and special indicator for signal raps.
BOILERS.-Nine in number, seven double flued and two single flued; by Adamson & Co., Hawks, Crawshay, & Co., and Joicey & Co.; mostly 30 feet by 7 feet.
PUMPING ENGINE.-Condensing, with beam working high set, 18 inches diameter, 47 fathoms; and low set, 20 inches diameter, and 59 fathoms; cylinder, 65 inches, stroke, 72 feet.
FAN ENGINE.-Guibal fan, 30 feet by 12 feet with compound engines, 13 inches and 234 inches cylinders; also second or spare engine, 24 inches cylinder, high pressure.
ENDLESS ROPE ENGINES.-Two in number; a single 14 inch cylinder, with a stroke 24 inches, geared 8 to 1; rope passing three times round sheave which has an inclined trod; a pair of 12 inch cylinders, with a stroke of 24 inches, geared 10 to 1; rope passing round an 8 feet Barraclough patent-clip pulley.
SIGNALLING.-In shaft, ordinary rapper for coal work. From mine to endless rope engines electric signals are used, double wires.
HEAPSTEAD.-Wrought iron; screens with 2-inch spaces and lowering boxes at ends, and "Billy Fairplay" system of weighing.
WORKSHOPS.-Are centralised and embrace the usual kinds, including granary and stables.
WORKINGS-Longwall in Yard Seam.
SYSTEM OF HAULAGE.-A self-acting endless incline rope plane, 1,500 yards long, gradient of 14 inches in 36 inches, whereon 60 full tubs are run against 60 empty tubs, in 10 sets of 12 each; and the ordinary endless rope system, driven by steam, where the rope is carried on the top of the tub, with gradients varying from 6 inches per yard against to 3 inches in favour of the load, and with several junction stations. The length of rope in daily use in system last described is 8,500 yards, and the quantity of coals brought to pit bottom is 800 to 900 tons per day; the furthest off station is 1,570 yards.
WINDING ENGINE.-High Pressure Horizontal Single Cylinder, 38 inches diameter, stroke, 5 feet 6 inches; four-valved; 14 feet drum; single deck cage for two tubs.
PUMPING ENGINE AT BANK.-Condensing Single Cylinder, 51 inches diameter, stroke, 6 feet 6 inches; stroke in pit, 8 feet 4 inches; one 18 inch lifting set on each end.
FAN ENGINE.-High Pressure Horizontal Single Cylinder, 20 inches diameter, stroke, 2 feet 6 inches; fan, 26 feet by 10 feet.
WINDING ENGINE.-High Pressure Horizontal Double Cylinders, each 22 inches, stroke, 5 feet; 10 feet drum; single deck cage for two tubs.
PUMPING ENGINE, AT BANK.-High Pressure Vertical Single Cylinder, 51 inches diameter, 6 feet 6 inches stroke; 8 feet 4 inches stroke at both ends in pit; one 17 inch lifting set on each end.
FAN ENGINE.-High Pressure Horizontal Double Cylinders, each 20 inches diameter, stroke, 1 foot 8 inches; fan, 25 feet by 8 feet.
WINDING ENGINE.-Lever Condensing; cylinder, 65 inches diameter, 6 feet stroke; drum, 22 feet diameter; round ropes; cage for 4 tubs; iron rail guides; Walker's safety links for prevention of overwinding. Iron heapstead. Steam crab.
UNDERGROUND PUMPING ENGINE.-Horizontal, 2 cylinders, each 22 inches diameter, 5 feet stroke; 2 feet 9 inch rams, forcing, 630 feet vertical.
UNDERGROUND HAULAGE.-Three of Fowler's semi-portable engines.
WINDING ENGINE.-Lever Condensing; cylinder, 60 inches diameter, 6 feet stroke; drum, 22 feet diameter; rope counter-balance under cages.
PUMPING ENGINE.-Condensing; cylinder, 78 inches diameter, 7 feet stroke; malleable iron beam by Fairbairn.
UNDERGROUND HAULAGE.
Low Main Seam; tail rope; double horizontal engine, 2 cylinders, each 20 inches diameter, 4 feet stroke; drum, 8 feet diameter; length of plane, 3,200 yards.
Yard Seam; endless rope on self-acting plane.
[Nothing noted under this colliery]
This is a very old colliery, which is not working, and is now partly dismantled. The points of interest are:
George Stephenson's Cottage, with sun dial (constructed by the late Robert Stephenson, C.E.) above the front door.
Old Killingworth Railway.
The last of the old Killingworth Locomotive Engines, by Stephenson, the "Billy," is now placed on the north end of the High Level Bridge, Newcastle-upon-'Tyne.
Compound Winding Engine.
Compound Pumping Engine; strain, 100 lbs. to the inch at a depth of 130 fathoms.
[Nothing noted under this pit)
Complete plant for the manufacture of patent fuel, with coal-washers, etc., may be seen at work.
Compound Horizontal, Underground. Coke Ovens.
Compound Rotative Beam Pumping Engine, pumping 2,500 gallons per minute per 60 fathoms.
Coke Ovens.
Two HAULING ENGINES.-One with 2 cylinders, 24 inches diameter and 4 feet 6 inches stroke, and one with 2 cylinders, 20 inches diameter and 4 feet 6 inches stroke, working main and tail rope. Two Fans and Engines, 30 feet and 20 feet.
CONDENSING PUMPING ENGINE.-Cylinder, 42 inches diameter, 6 feet stroke; pumps, 20 inches diameter, 4 sets lifting.
Coke Ovens, etc.
ONE HAULING ENGINE.-2 Cylinders, 18 inches diameter, each working a main and tail rope.
This colliery was dismantled some years ago. Locomotive engines were introduced by Mr. Hedley at this colliery about the year 1812. One of these is now placed in the South Kensington Museum.
George Stephenson was born at Street House, on the north side of the river, east from the station.
WINDING ENGINES.-Double Cylinders, 36 inches diameter, 6 feet stroke; horizontal drum, 19 feet diameter; automatic expansion gear, made by the Grange Iron Co.; round steel ropes; cage at present for two
decks, but arranged for four decks, with eight tubs (and double heapstead), safety links for prevention of over-winding.
PUMPING ENGINES.-Single Cylinder Vertical Condensing; cylinder, 65 inches diameter, 96 inches stroke; pumps, 12 inches diameter; sets lifting.
HAULING ENGINES, UNDERGROUND (WITH BOILERS AT SURFACE).-One Pair of Horizontal Engines; 2 cylinders, each 22 inches diameter, 36 inches stroke, working an engine-plane, with main and tail ropes, 24 miles long, with 100 tubs in each set.
SCREENING.-Belts with steel plates on ropes for screening best coals.
VENTILATION.-Guibal fan, 50 feet diameter, the largest erected. WORKINGS.-Board and pillar system.
PATENT FUEL.-In course of erection, Yeadon's (of Leeds) system.
WINDING ENGINE.-Single Cylinder Vertical Condensing; cylinder, 65 inches diameter, 84 inches stroke; drum for flat steel ropes, 26 feet diameter; cage, three decks, with six tubs.
PUMPING ENGINE.-Single Cylinder Vertical Condensing; cylinder, 81 inches diameter, 120 inches stroke; pumps, 3 sets forcing rams, 15 inches diameter, 1 set lifting.
HAULING ENGINES ON SURFACE.-Main and tail ropes; ropes in boxes down shaft for 215 fathoms; electric signals and telephone from surface to bottom of shafts.
VENTILATION.-Guibal fan at St. Hilda Colliery.
WORKINGS.-Board and pillar system.
WINDING ENGINES.-
No. 1 PIT.-High Pressure Horizontal Double Cylinder Engines, 2 cylinders, steam-jacketed, each 48 inches diameter, 72 inches stroke; conical drum, 19 feet a-ml 30 feet diameter; cage with four decks for eight tubs, 12 cwt. of coal in each tub; safety links for prevention of over-winding.
No. 2 PIT.-High Pressure Horizontal Double Cylinder Engines, 2 cylinders, each 40 inches diameter, 72 inches stroke; conical drum, 16 feet and 26 feet diameter; cage with two decks for four tubs; safety links for prevention of over-winding.
HAULING ENGINES UNDERGROUND.-4 Double Cylinder Hauling Engines, with main and tail rope drums; electric signals; and three Lancashire boilers underground.
SCREENING.-Nine belts for cleaning coals; belt, 121 feet long, for carrying small coals to elevators for revolving screens.
VENTILATION.-Large furnace, fired at side, and underground boilers.
WORKINGS.-Large pillars, narrow places, lifts or juds.
HYDRAULIC PUMPS in dip workings, actuated by water from rise workings.
HYDRAULIC HOISTS at shaft bottom for lifting tubs from low level, together with self-acting arrangements for tubs.
Powerful Winding Engine, with two 48 inch cylinders. Electric light plant, with 80 incandescent lamps. Screens and endless belts.
Endless rope haulage. Automatic ventilating doors.
WINDING ENGINES.-Single Cylinder Vertical Low Pressure Condensing Engines; winding from a depth of 300 fathoms.
UNDERGROUND HAULAGE.-Double Horizontal High Pressure Engines; long single and double way engine planes.
VENTILATION.-Large furnace, fired in front and at sides. E.-Collieries situated on the Sunderland and Hartlepool Branches.
WINDING ENGINES.
NO. 1 PIT (UPCAST).-Double High Pressure Horizontal Engines; cylinders, 20 inches diameter, with 3 feet stroke (temporary).
No. 2 PIT.-Double Horizontal High Pressure Engines; cylinders, 48 inches diameter, 6 feet stroke; cylindrical drums, 25 feet
diameter, with counter-balances; fitted with patent automatic expansion gear; cage, with four decks, containing eight tubs, each carrying ten cwt. of coal; pit, 270 fathoms deep.
No. 3 Pit.-Same as above, but with scroll drum, 1.5 feet to 28 feet diameter; pit, 290 fathoms deep.
HEAPSTI:AD.-Double decked, with thirty-six screens and three circular revolving screens for separating the small coals.
BOILERS.-Six cylindrical and eighteen Lancashire. .,
SYSTEM OF HAULAGE.-Main and tail rope; engine and boilers underground.
UNDERGROUND HAULING ENGINES.
HUTTON SEAM.-Double Horizontal High Pressure Engines; cylinders, 30 inches, 5 feet stroke, with four drums for main and tail rope system; air compressor attached; three cylindrical boilers underground.
MAUDLIN SEAM.-Double High Pressure Horizontal Engines; cylinders, 18 inches and 26 inches stroke; three drums for main and tail rope systems; two multi-tubular boilers; a pair of small engines in-bye are worked by compressed air.
VENTILATION.-Furnace.
WORKINGS.-Board and pillar system.
WINDING ENGINES-North, South, and West Pits.-Three Low Pressure Vertical Condensing Engines, with cylinders 68 inches diameter, 84 inches stroke; rope roll at lift 21 and 22 feet diameter; cages, North and South Pits, two decks, with two tubs in each deck; West Pit, four decks, with one tub in each deck; 11 cwt. of coal in each tub.
AIR COMPRESSING ENGINE..-One Double Horizontal Air Compressing Engine, fitted with Walker's patent air valves; steam cylinders, 32 inches diameter; air cylinders, 33 inches diameter; 60 inches stroke; supplying compressed air to underground Hauling Engines.
HAULING ENGINES, UNDERGROUND.-Two Horizontal Double Cylinder Hauling Engines; cylinders, 16 inches diameter, 24 inches stroke, with main and tail rope drums; geared 3 to 1 and worked by boilers of the locomotive type. Also various horizontal double handing engines; cylinders, 14 inches diameter, 18 inches stroke, with main and tail rope drums, geared 4 to 1; worked by compressed air from engine at bank; electric signals.
SCREENING.-22 screens, with endless belts for conveying small coal from screens to apparatus.
VENTILATION.-'Three furnaces, fired in front; area of grate, one 112 square feet, and two each 56 square feet.
WORKINGS:- Board and pillar system; pillars, 40 yards by 30 yards.
COKE OVENS and coal washing machine; the "Ramsay Washer."
HORSE FEED.-Mixed system as carried out by Mr. Hunting.
WINDING ENGINES
Nos. 1 AND 2 PITS.-Single-acting Low Pressure Cylinders, 67 inches diameter and 7 feet stroke, with 21 feet drums; erected in 1849-50, and raising each 8.50 tons a day.
No. 3 PIT.-Single-acting Low Pressure Cylinder, 69 inches diameter and 7 feet stroke, with 21 feet drum; erected in 1869, and raising 1,500 tons a day.
SYSTEM OF HAULAGE.-Tail rope, with sets of 60 tubs; engines and boilers underground
No. 1 PIT.-Pair of Double-acting Cylinders, 19 inches diameter and 3 feet stroke; with 7 feet drums geared 8 to 3.
No. 2 PIT.-Pair of Double-acting Cylinders, 19 inches diameter and 3 feet 6 inches stroke, with 6 feet drums geared 3 to 2, au auxiliary engine being employed to bring the coals from the face to mid distance. This auxiliary engine is worked by compressed air of 50 lbs. pressure, and has a pair of 16 inch cylinders.
No. 3 PIT.-Maudlin Seam.-This engine is at bank, with ropes carried down the shaft in pipes, and has a pair of 26 inch cylinders and :5 feet stroke, supplied with steam at 100 lbs. pressure.
There are over 33,000 yards of rope used for hauling purposes.
AIR COMPRESSORS are in course of erection for working the No. 2 Pit auxiliary hauling engine, and nearly a score of small pumps. The steam and air cylinders are 44 inches diameter and 6 feet stroke.
VENTILATION by one return air and one fresh air furnace and numerous boilers, producing a current of 350,000 feet per minute. The furnaces consume 20 tons of coal per day. The hanging on of the coal at No. 3 Upcast Pit is done in fresh air, prevented from passing up the shaft by means of automatic doors worked by the cages, which are boxed to prevent leakage.
Upwards of 2,300 men and boys are employed, living in nearly 1,000 houses, and the underground men requiring over 2,100 lamps. Electric signals and telephones are used.
The Fleuss breathing apparatus and lamp are kept ready for immediate use.
Little or no dust is seen on the engine planes owing to the use of watering pipes, and more especially to the watering of tubs of coal before leaving the face.
Self-registering water barometer in connection with a. shall sealed area of workings is used. The variations of pressure from 1 inch to 22 inches in this confined space presage a fall of atmospheric pressure much in advance of a mercurial barometer. This instrument was devised by Mr. V. W. Corbett, and the results form a continuation of his valuable paper in Vol. XXXII. of the Institute Transactions
BRICKWORKS.-Hoffmann's Patent Annular Kiln is used, having twelve sections, each burning 18,000 bricks. The fortnightly produce is 130,000.
WINDING ENGINE.-NORTH PIT.-Vertical Condensing Engine; cylinder, 452 inches diameter, 6 feet stroke; flat rope drum, 18 feet diameter; cages with three decks each to hold three tubs, 10 cwt. of coal in each tub.
WINDING ENGINE.-SOUTH PIT.-Vertical Condensing Engine; cylinder, 42 inches diameter, 6 feet stroke; flat rope drum, 18 feet diameter; cages with two decks, each to hold two tubs, 10 cwt. of coal in each tub.
HAULING ENGINES, ON SURFACE.-High Pressure Vertical Lever Engine; cylinder, 30 inches diameter; stroke, 4 feet; main and tail rope drums. Ropes in boxes down shafts.
UNDERGROUND.-Pair of Horizontal High Pressure Engines; cylinders, 14 inches diameter, 18 inches stroke; auxiliary cylinder, 12 inches diameter; main and tail rope drums.
PUMPING ENGINE, UNDERGROUND.--Pair of Rotary High Pressure Engines; cylinders, 2 7 inches diameter; stroke, 48 inches; rams, 8 inches diameter; head of water, 140 fathoms in one column; rising main, 8 inches diameter.
VENTILATION.-Furnace in Low Main Seam.
WORKINGS.-Board and pillar system.
WINDING ENGINE.-POLKA PIT.-Single Cylinder Vertical Condensing; cylinder, 50-,x, inches diameter; stroke, 7 feet; drum, 18 feet 8 inches; flat ropes; cage four decks, four tubs.
WINDING ENGINE.-MIDDLE PIT.-Vertical Condensing; cylinder, 503 inches; stroke, 7 feet; drum for flat steel ropes, 18 feet 4 inches diameter; cage four decks, four tubs.
WINDING ENGINE.-EAST PIT.-Vertical Condensing cylinder, 503 inches diameter; stroke, 6 feet; drum 16 feet 10 inches; cage four decks, four tubs; cages unloaded on platforms.
PUMPING ENGINE AT BANK.-Single Vertical Condensing; cylinder, 842 inches diameter; stroke, 8 feet 82 inches; pumps, 16 inches diameter; 6 sets lifting and 1 set forcing.
UNDERGROUND PUMPING ENGINE.-Two Hathorn and Davy's Double acting Differential Condensing Engines; steam cylinders, 32 inches diameter; rams, 74 inches diameter; stroke, 5 feet; rising main, 10 inches diameter; capable of forcing 400 gallons per minute in one column 1,224 feet.
SYSTEM OF HAULAGE.-Tail rope; hauling engines underground.
MAIN COAL SEAM.-Horizontal High Pressure Double Cylinders. 26 inches diameter; stroke, 5 feet; four drums, 7 feet diameter
LOW MAIN SEAM.-Horizontal Double Cylinders, 26 inches diameter; stroke, 5 feet; four drums, 7 feet diameter.
Horizontal Double Cylinders, 18 inches diameter; stroke, 24 inches; drums, 6 feet diameter.
Horizontal Double Cylinder, 30 inches diameter; stroke 5 feet; drums, 8 feet diameter; engine plane, 23 miles long; 52 tubs in each set.
HYDRAULIC ENGINE.-Horizontal Double Cylinder, 16 inches diameter; stroke. 20 inches; four drums, 5 feet diameter.
UNDERGROUND BOILERS.
VENTILATION.-Two Furnaces in Main Coal Seam; large furnace, 33 feet by 8 feet, stoked at sides and end; small furnace, 8 feet by 7 feet.
WORKINGS.-Board and pillar and longwall.
COAL WASHER.-Robinson's Patent, in course of erection.
COMPOUND CONDENSING PUMPING ENGINE.-Cylinders, 40 inches and 66 inches by 6 feet stroke; rams, 16 inches, forcing against a head of 810 feet; now pumping 1,300 gallons per minute.
TWISILL'S PATENT FUEL ECONOMISER.-At work on four Lancashire Boilers. Temperature of feed water raised from 50 degrees to 180 degrees.
Exhaust Injector attached to fan engine. Guibal fan, 36 by 12.
Schiele fan, 12 feet diameter.
Winding Rope, with Electrical Cable, for signalling out of the cage in the shaft to engineman.
HAULING ENGINE.-Direct acting; two 20 inch cylinders, 4 feet stroke; drums, 5 feet diameter.
WINDING ENGINE.-OLD PIT.-Vertical High Pressure Engine; one cylinder, 42 inches diameter, 72 inches stroke; drum, 17 feet diameter.
WINDING ENGINE.-NEW PIT.-Horizontal Engine; two cylinders, each 36 inches diameter, 72 inches stroke; condensing and air pump, worked by independent engine; drum 20 feet diameter. VENTILATION.-By Guibal Fan, driven by engine with one cylinder 24 inches diameter and 48 inches stroke; condensing, and worked by same air pump as winding engine.
AIR COMPRESSING ENGINE.-Horizontal Condensing Engine; two cylinders 36 inches diameter, and two air cylinders 40 inches diameter, 72 inches stroke.
SCREENING.-Jigging Screen, 11 feet by 4 feet, with belt for cleaning best coal, 60 feet long and 4 feet wide, also belt for cleaning nut coal, 24 feet long and 2 feet wide.
Boilers on coke ovens, also boilers with mechanical stokers. Coal washed for coke making by Ramsay's machine.
UNDERGROUND HAULAGE.-Horizontal Engine; two cylinders, 18 inches diameter, 24 inches stroke, geared seven to one, and driving about 10,000 yards of endless rope, which is carried on rollers, each tub
being attached to the rope by a clip. There are three branch roads worked off the main rope by Fisher & Walker's clutch gear.
UNDERGROUND PUMPING ENGINE.-Horizontal Compound and Condensing; High Pressure cylinder, 42 inches diameter; low pressure cylinder, 66 inches diameter, 72 inches stroke, and 14 inch ram, double-acting; forcing water from Low Main Seamy to the surface, a height of 900 feet.
[Nothing noted under this heading]
WINDING ENGINE.-Low Pressure Vertical Cylinder, 54 inches diameter, 81 inches stroke; drum, 18 feet diameter; cage with two decks of 3 tubs each, 9 cwt. of coal in each tub; total weight of cage, tubs, and coals, 7 tons. Steel wire ropes; safety links for prevention of over-winding.
SHAFT fitted with iron rail guides.
Iron heapstead, and screens; Archimedean screw, carrying small coals to self-loading apparatus hopper; screen for making large nuts, small, and duff.
Two underground hauling engines, working tail rope system; endless chain; incline near to shaft.
Electric light at bank and underground.
WINDING ENGINE.-Double Horizontal Air Compressing Engine, 22 inch cylinder, 36 inches stroke; diameter of larger compressing cylinder 36 inches, diameter of smaller cylinder 132 inches; nominal pressure of air 200 lbs. per square inch.
Ventilating furnace at Maudlin Seam; one front fire and two side fires.
SYSTEMS OF WORKING.- Longwall and board and pillar.
BOILERS, With Young's patent fires.
LISHMAN & YOUNG'S COMPRESSED AIR LOCOMOTIVES at work underground.
AIR COMPRESSING ENGINE AT BANK.-Two 34 inch cylinders with 6 feet stroke, working 2 air compressing cylinders, 34 inch pressing to 60 pounds, and 20 inch completing the pressure to 250 pounds per square inch.
FAN ENGINE.-Two cylinders, 36 inches diameter and 3 feet stroke; Guibal fan, 45 feet diameter, 15 feet wide.
WINDING ENGINES.
NEW PIT.-Two cylinders, 34 inches diameter, 6 feet stroke, with 18 feet drums, lifting four tubs.
WEST SIDE.-One cylinder, 3.5 inches diameter, 6 feet stroke, with 12 feet rolls, lifting three tubs.
EAST SIDE.-One cylinder, 33 inches diameter, 6 feet stroke, with 14 feet drums, lifting four tubs.
STAPLE.-One cylinder, 14 inches diameter, 28 inches stroke, with 5 feet drums, lifting one tub.
HAULING ENGINES.
HUTTON SEAM.-Two cylinders, 181 inches diameter, 3 feet stroke, with 5 feet drums, running 70 tubs.
MAIN COAL SEAM.-Two cylinders, 24 inches diameter, 4 feet stroke, with 7 feet drums, running 100 tubs.
STAPLE.-One cylinder, 14 inches diameter, 2 feet stroke, with 3 feet drums, running 15 tubs.
MAIN COAL PUMPING ENGINE.-One cylinder, 52 inches diameter, 5 feet stroke, with two 102 inch rams, lifting 610 feet, and two 112 inch rams, lifting 480 feet, 680 gallons per minute.
IN-BYE PUMP IN MAIN COAL SEAM.-Two 7 inch plungers, double acting, 100 lbs. pressure at pump, 360 gallons per minute, worked by endless rope from Main Coal Seam Hauling Engine, geared 2 and 1 at engine, and .2 and 1 at pump, situate 3,000 yards in-bye and lifting 200 feet. This rope has been five years and three months in use, is 6,000 yards long, has travelled over 218,400 miles, and has pumped 318,998,400 gallons of water.
Boilers fired from Coke Ovens.
Coals crushed by disintegrator. and cleaned on a travelling belt. Ventilation by Schiele fans, placed in each seam.
Haulage, in Busty Seam, by endless rope.
WINDING ENGINE.-Vertical cylinder, 56 inches diameter. Revolving Screens and Roller Crushers.
Hauling Engine on surface. Guibal Ventilating Fan.
PUMPING ENGINE.-Horizontal surface; 36 inches cylinder, 5 feet stroke, and 21 sets in shaft.
UNDERGROUND PUMPING ENGINE.-Four rams, 112 inches, with four cylinders, 26 inches, forcing to surface.
Beehive Cole Ovens, loaded by small narrow gauge Locomotive Engines. Boilers on Cole Ovens.
Simon Carves Coke Ovens.
Gas Plant in connection with Patent Coke Ovens. Sulphate of Ammonia Plant.
NEW BRANCEPATH COLLIERY.
Cochrane's Patent Coke Ovens, of beehive type, which enables them to be drawn three times a week and yields from 5 to 6 per cent. extra of coke