INDEX.

A.
PAGE
Advantages of the art of procuring light by means of coal gas[1]
Air box of lime machine[153]
Ammoniacal liquor, quantity obtainable from a given quantity of coal[303]
Ammoniacal liquor, quantity of sulphuric acid, required for saturating a given quantity[303]
Ammoniacal liquor, conversion of, into carbonate of ammonia[303]
Ammoniacal liquor, conversion of, into muriate of ammonia[303]
Apparatus for obtaining carburetted hydrogen gas from coal tar[285]
Apparatus for purifying coal gas[141]
Apparatus for certifying the proper mode of working the lime machine[157]
Argand gas lamp[253]
Argand gas lamp, quantity of gas consumed by different kinds[275]
Art of procuring coal gas, theory of[33]
B.
Bat’s wing gas burner[255]
Bends, for connecting gas pipes[267]
Burner, argand[253]
Burner, bat’s wing[255]
Burner, cockspur[255]
Branch pipes[239]
Branch pipes, dip of[243]
Branch pipes, mode of connecting[263]
Branch pipes, mode of proving[265]
Branch pipes, corrosion of[260]
C.
Carbonate of ammonia, preparation of, from ammoniacal liquor of coal[303]
Cement, for connecting gas mains[241]
Chandelier, sliding, for burning gas[257]
Chester gas holder, description of[175]
Coal, analysis of, by destructive distillation[35]
Coal, chemical constitution of[42]
Coal, classification of[41]
Coal, comparative facility with which different species are decomposed[106]
Coal, chiefly composed of bitumen only, varieties of[42]
Coal, chiefly composed of bitumen, maximum quantity of gas obtainable from them[43]
Coal, containing more carbon than bitumen[45]
Coal, containing more carbon than bitumen, maximum quantity of gas obtainable from them[48]
Coal, destitute of bitumen[42]
Coal, maximum quantity of gas obtainable from them[44]
Coal, Gloucestershire[49]
Coal, Kilkenny[44]
Coal, Lancashire[44]
Coal, Newcastle[47]
Coal, Scotch[109]
Coal, Warwickshire[109]
Coal, Welch Stone[48]
Coal, Yorkshire[44]
Coal oil[300]
Coal oil, quantity obtainable from a given quantity of coal tar[302]
Coal tar[298]
Coal tar, quantity obtainable from a given quantity of coal[122]
Coke, quantity obtained in the gas light process from a given quantity of coal, by means of cylindrical retorts[132]
Coke, quantity obtained by means of horizontal rotary retorts[132]
F.
Flue plan of setting cast iron retorts[59]
Flue plan, report on a series of operations, made with retorts worked on the flue plan[61]
Fuel, minimum quantity required for the complete decomposition of coal, by means of cylindrical retorts[61]
G.
Gas, average cost of manufacturing it upon a large scale, in London[106]
Gas, apparatus for lighting a town, best situation of, as far as it regards the most economical distribution of the pipes[249]
Gas, apparatus for lighting a town, arrangement of[319]
Gas, apparatus for lighting a town, at the Royal Mint[112]
Gas, burners, different kinds of[253]
Gas, quantity of, evolved during different periods of the distillatory process employed for decomposing coal, in cylindrical retorts[77]
Gas, observations on the progressive evolution of, during different periods of the distillatory process with cylindrical retorts[79]
Gas flame, mode of regulating the magnitude of[234]
Gas holder, construction of, originally employed[164]
Gas holder, sheet iron, best adapted for it[180]
Gas holder, sheet iron, best adapted for it, cost of[164]
Gas holder, sheet iron, lately adopted without specific gravity apparatus[169]
Gas holder, at Birmingham without specific gravity apparatus[177]
Gas holder, at Bristol without specific gravity apparatus[175]
Gas holder, at Chester without specific gravity apparatus[175]
Gas holder, collapsing[185]
Gas holder, collapsing, rule for finding its capacity[195]
Gas holder, revolving at the Westminster gas works[181]
Gas holder, collapsing, rule for calculating its capacity[185]
Gas holder, valve[221]
Gas from coal tar[286]
Gas from coal tar, average quantity obtainable from a given quantity of tar[286]
Gas from oil[289]
Gas from oil, quantity obtainable from a given quantity of oil[297]
Gas from vegetable tar[284]
Gas from vegetable tar, average quantity obtainable from a given quantity of tar[284]
Gas illuminating power of[271]
Gas lamps[253]
Gas lamps, diameter of the pipes for supplying them with gas[261]
Gas mains[239]
Gas mains, mode of proving them when laid[245]
Gas mains, observations on[247]
Gas mains, cost of a mile, laid under ground in London[252]
Gas mains, of pewter, lead, and tin, why unfit for distributing gas[260]
Gas mains, weight of different lengths, of a given bore[251]
Gas metre, construction of[214]
Gas metre, construction of, at the Royal Mint Gas Works[214]
Gas metre, directions to workmen for fixing it[229]
Gas metre, rule for calculating its power[220]
Gas metre, at the Birmingham Gas Works, registering capacity of[220]
Gas metre, at the Bristol Gas Works, registering capacity of[220]
Gas metre, at the Chester Gas Works, registering capacity of[220]
Gas pipes, directions to workmen for adapting them to the interior of houses[258]
Gasometer house, of sheet iron, of a given size, cost of[178]
Gasometer, tank of cast iron, of a given size, cost of[178]
Gasometer, tank of brick work, of a given size, cost of[178]
Gasometer, tank of wood, of a given size, cost of[178]
Governor, or regulating guage[261]
Governor, its application and efficacy[171]
Governor, directions to workmen for fixing it[229]
H.
Horizontal rotary retort. (See [rotary retort horizontal])[110]
L.
Lamps for burning coal gas[253]
Lamps for burning coal gas, quantity of gas consumed by different kinds, in a given time[275]
Lime machine originally employed, defects, and dangerous consequences to which it gave rise[141]
Lime machine, lately adopted[149]
Lime machine, at Birmingham gas works[149]
Lime machine, at Chester gas works[149]
Lime machine, at Royal Mint gas works[150]
Lime machine, capacity requisite for purifying a given volume of gas in a given time[157]
M.
Mains for conveying gas[245]
Mains, average cost of a mile when laid in London[252]
Mains, manner of proving them when laid[245]
Mains, kind of, most economical for conveying gas[251]
Mains, which do not supply branch pipes or lamps, observations on[250]
Mains, faulty, how distinguished[240]
Mercurial joint for pendent gas lamps[256]
Muriate of ammonia, preparation of, from the ammoniacal liquor of coal[303]
N.
Newcastle coal, maximum quantity of gas obtainable from different kinds[47]
O.
Oven, for heating retorts, (See [retort oven])
Oil, from coal tar[300]
Oil gas[289]
Oil gas, quantity obtainable from a given quantity of whale oil[296]
Oven plan, of setting cast iron retorts[67]
P.
Pendent gas lamp[257]
Pipes, directions to workmen for adapting them to the interior of houses[258]
Pitch from coal tar[302]
Pitch, quantity obtainable from a given quantity of tar[302]
Purifying apparatus, (See [lime machine])[150]
Q.
Quicklime, best method of preserving it for the purification of coal gas[160]
Quicklime, quantity required for purifying a given volume of coal gas[162]
R.
Reciprocating safety valve[196]
Regulating guage, regulator, or governor[171] [220]
Regulating guage, at Birmingham Gas Works[177]
Regulating guage, at Bristol Gas Works[177]
Regulating guage, at Chester Gas Works[177]
Retorts, cylindrical cast iron[52]
Retorts, cylindrical, method of heating them by flues[59]
Retorts, cylindrical, experiments on setting three to one fire place[61]
Retorts, cylindrical, experiments on setting four to one fire place[53]
Retorts, cylindrical, cost of erecting them[99]
Retorts, cylindrical, best mode of working them[94]
Retorts, cylindrical, minimum quantity of fuel required for working them[61]
Retorts, cylindrical, temperature best adapted for working them[94]
Retorts, cylindrical, conical[52]
Retorts, cylindrical, conical, comparative power of[55]
Retorts, cylindrical, ellipsoidal[53]
Retorts, horizontal rotary[110]
Retorts, horizontal rotary, at the Royal Mint Gas Works[112]
Retorts, horizontal rotary, at Birmingham[111]
Retorts, horizontal rotary, at Chester[111]
Retorts, horizontal rotary, at Kidderminster[111]
Retorts, horizontal rotary, action and management of[121]
Retorts, horizontal rotary, advantages of[124]
Retorts, horizontal rotary, directions to workmen with regard to working them[134]
Retorts, parallelopipedal[52]
Retorts, parallelopipedal, comparative power of[55]
Retorts, parallelopipedal, best mode of working them[93]
Retorts, semi-cylindrical[53]
Retorts, oven, description of, at the Westminster and City of London Gas Works[69]
Retorts, oven, experiments on[84]
Revolving gas holder, at the Westminster Gas Works[181]
Revolving gas holder, rule for calculating its capacity[185]
S.
Safety valve, reciprocating[196]
Self-acting guage, (see [governor])[171]
Siphon[221]
Sliding chandelier[257]
South London Gas Works[69]
Spigot and faucit pipes[241]
Staffordshire coal[44]
Swing bracket gas burner[257]
T.
Tar, quantity obtainable from a given quantity of coal[130]
Tar gas, quantity obtainable from a given quantity of coal tar[287]
Tar gas, from vegetable tar[284]
Tar, retort[285]
Temperature for working cast iron retorts, remarks on[94]
Test apparatus, for certifying the proper manner of working the lime machine[157]
Theory of the production of gas lights[39]
Towns lighted with gas[149]
V.
Valve of gas holder[221]
Valve, hydraulic[116]
Valve, of horizontal rotary retort[116] [124]
Valve, lime machine[156]
Valve, reciprocating[196]
Ventilation of rooms lighted by gas[276]
W.
Water reservoir, (See [Siphon])[221]
Wheel work, registering of gas metre[218]

LONDON PRICE LIST

Of the most essential articles employed in the manufacture and application of Coal Gas; delivered free of expence at any Wharf between London and Vauxhall Bridge.

Cast iron Spigot and Faucit Pipes.

DIAMETER.THICKNESS IN THE METAL.PRICE
PER YARD.
£.s.d.
1 and a half inch5-sixths of an inch 26
2 inches3-eighths 36
2 and a half dittoditto 40
3 inches7-sixteenths 46
4 dittohalf an inch 66
5 dittoditto 90
6 dittoditto 100
7 dittoditto 110
8 ditto5-eighths 123
9 dittoditto 166
10 dittoditto 196

Cast iron Flanch Pipes.

1 and a half inch 30
2 inches 40
2 and a half inch 410
3 inches 54
4 ditto 73
5 ditto 96
Quadrant flanch pipes 140 cwt.
Bend pipes of different radii, branch pipes and accommodating pipes 130 cwt.
From eight to six inches 13s. 6d. from 5 to 3 inches 140
Two, and 1 and a half inch 146
Siphon, water reservoir, or tar-well pipes, from 2 to 6 inches in diameter 150 cwt.
Ditto, above 6 inches in diameter 140
Gas holder, or hydraulic valve pipes, with boxes 150
Wrought iron work and screws to ditto 071⁄2 ℔
Retorts of best picked iron, from second process 130 cwt.
Mouth pieces to ditto, ground and fitted 200
Wrought iron work and screws to ditto 071⁄2 ℔
Connecting and stride pipes, ground 200 cwt.
Hydraulic cylinders 150
Tapering pipes 150
Outer fire doors 150
Inner ditto 110
Fire back, bearers, dead plates 110
Top, register, and slide dampers 140
Pullies, and friction sectors, turned and fitted 220
Wrought iron gudgeons for ditto, turned and fitted 10 ℔.
One inch bolts -at 0051⁄2 ℔.
Seven-eighths ditto
Three-quarters ditto
Five-eighths 280 gross.
Half-inch 1180 gross.
Tar receivers and purifying vessels 0140 cwt.
Condensing pipes, and inlet and outlet pipes for tanks 0140
Cast iron tanks put together complete, with bolts, screws, cement, &c. 0160
Gas holders, original construction, erected complete of sheet iron 0600
Gas holder, collapsing construction, complete, capacity 30,000 cubic feet100000
Gas holder, collapsing construction, complete, capacity 15,000 cubic feet70000
Gas holder, collapsing construction, complete, capacity 22,000 cubic feet80000

Wrought iron Gas Tubes screwed and fitted, warranted to bear a pressure equal to a column of water 300 feet high.

BORE.PENCE
PER FOOT.
1 inch10
7-eighths8
3-quarters71⁄2
5-eighths7
Half an inch and 3-eighths 61⁄2

Copper Tubes.