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.

DIAMETER.		THICKNESS IN THE METAL.	PRICE PER YARD.
Cast iron Spigot and Faucit Pipes.
			£.	s.	d.
1 and a half inch		5-sixths of an inch		2	6
2 inches		3-eighths		3	6
2 and a half ditto		ditto		4	0
3 inches		7-sixteenths		4	6
4 ditto		half an inch		6	6
5 ditto		ditto		9	0
6 ditto		ditto		10	0
7 ditto		ditto		11	0
8 ditto		5-eighths		12	3
9 ditto		ditto		16	6
10 ditto		ditto		19	6
Cast iron Flanch Pipes.
1 and a half inch				3	0
2 inches				4	0
2 and a half inch				4	10
3 inches				5	4
4 ditto				7	3
5 ditto				9	6
Quadrant flanch pipes				14	0	cwt.
Bend pipes of different radii, branch pipes and accommodating pipes				13	0	cwt.
From eight to six inches 13s. 6d. from 5 to 3 inches				14	0
Two, and 1 and a half inch				14	6
Siphon, water reservoir, or tar-well pipes, from 2 to 6 inches in diameter				15	0	cwt.
Ditto, above 6 inches in diameter				14	0
Gas holder, or hydraulic valve pipes, with boxes				15	0
Wrought iron work and screws to ditto				0	7	¹⁄₂ ℔
Retorts of best picked iron, from second process				13	0	cwt.
Mouth pieces to ditto, ground and fitted				20	0
Wrought iron work and screws to ditto				0	7	¹⁄₂ ℔
Connecting and stride pipes, ground				20	0	cwt.
Hydraulic cylinders				15	0
Tapering pipes				15	0
Outer fire doors				15	0
Inner ditto				11	0
Fire back, bearers, dead plates				11	0
Top, register, and slide dampers				14	0
Pullies, and friction sectors, turned and fitted				22	0
Wrought iron gudgeons for ditto, turned and fitted				1	0	℔.
One inch bolts	-	at	0	0	5	¹⁄₂ ℔.
Seven-eighths ditto
Three-quarters ditto
Five-eighths			2	8	0	gross.
Half-inch			1	18	0	gross.
Tar receivers and purifying vessels			0	14	0	cwt.
Condensing pipes, and inlet and outlet pipes for tanks			0	14	0
Cast iron tanks put together complete, with bolts, screws, cement, &c.			0	16	0
Gas holders, original construction, erected complete of sheet iron			0	60	0
Gas holder, collapsing construction, complete, capacity 30,000 cubic feet			1000	0	0
Gas holder, collapsing construction, complete, capacity 15,000 cubic feet			700	0	0
Gas holder, collapsing construction, complete, capacity 22,000 cubic feet			800	0	0

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 inch	10
7-eighths	8
3-quarters	7	¹⁄₂
5-eighths	7
Half an inch and 3-eighths	6	¹⁄₂

Copper Tubes.

BORE OF TUBE.		PRICE PER FOOT.
		£	s.	d.
3-eighths of an inch	copper tubes		0	4	¹⁄₂
Half ditto	ditto		0	6
5-eighths ditto	ditto		0	9
3-quarters ditto	ditto		0	11	¹⁄₂
7-eighths ditto	ditto		1	4
1 inch	ditto		1	8
1 and a half ditto	ditto		2	2
Union joints 3-eighths of an inch 8s. half an inch9s. 5-eighths of an inch 10s. 6d. 3-quarters of an inch		0	14	0	per doz.
Union T sockets, 3-quarters of an inch 20s. half inch		0	14	0	per doz.
Three-quarters of an inch main cocks		0	4	6	each

Brazed sheet iron Tubes.

BORE OF TUBE.	PRICE PER FOOT.
	s.	d.
3-eighths of an inch	0	3	³⁄₄
Half an inch	0	4	¹⁄₄
5-eighths of an inch	0	5
3-quarters	0	6	¹⁄₂
1 inch	0	7	¹⁄₂
1 and a quarter	0	10
1 and a half	1	3

	£.	s.	d.
Ornamental gas lamp posts, and columns, fitted complete with York lamps glazed, tube, branches,cocks, and burners, ready for lighting	£. 6	6	0	each
Or castings for ditto		13	0	cwt.
Wrought iron work for ditto		0	7	¹⁄₂ ℔.
Argand burners complete, from 2s. 6d. to		5	0	each
Iron roofs for retort and gas holder houses, erected complete, at £. 6 6 0 per square of 100 feet,superficial measure.

Cost of laying cast iron Gas mains in London. To take up the ground, to fill in, but not to re-pave the ground, and to drive two and a half inches of lead into the joints of the pipes.

DIAMETER OF MAINS.	PER YARD.
	s.	d.
3 inches	1	6
4 ditto	1	10
5 ditto	2	1
6 ditto	2	2
7 ditto	2	4
8 ditto	2	7
9 ditto	3	0
10 ditto	3	4

	£.	s.
Tapping the mains and laying gun barrel, or branch pipes	0	1	per yrd.
Governor complete to regulate every 24 hours 30,000 cubic feet of gas	60	0
A lime machine, new construction, to purify 30,000 cubic feet of gas every 24 hours	220	0
A gas metre, to register 30,000 cubic feet of gas every 24 hours	105	0
A gas light apparatus complete, capable of producing 48,000 cubic feet of gas every 24 hours, costs,if erected in London	8000	0

ESTIMATE
OF
A Gas Light Apparatus,
Capable of producing every 24 hours, a light equal to 21,330 tallow candles, eight in the pound, burning for six hours.

	£.	s.
Five horizontal rotary retorts, 12 feet 6 inches in diameter, complete for immediate use	2320	0
Two lime machines, complete for immediate use	536	0
Two collapsing gas holders, 30,000 cubic feet capacity each	2000	0
A gas metre	200	0
A governor or regulating guage	100	0
Tar well	58	0
Pumps	67	0
Connecting pipes	265	0
Condensing pipes, between the retorts, tar well, and lime machines	219	16
Retort house, with iron roof	653	19
Lime machine house, with ditto ditto	230	0
Workmen’s tools and sundries	430	0
	£. 7079	15

This apparatus is capable of producing every 24 hours, 66,000 cubic feet of gas.

THE END.

C. Green, Printer, 15, Leicester Street,
Leicester Square.

In the Press,
A DESCRIPTION OF THE CHEMICAL APPARATUS AND INSTRUMENTS,
WITH FIFTEEN QUARTO COPPER PLATES,
BY FREDRICK ACCUM.

WORKS
LATELY PUBLISHED BY FREDRICK ACCUM.

A PRACTICAL ESSAY ON CHEMICAL RE-AGENTS OR TESTS,

Exhibiting the general nature of Chemical Re-Agents or Tests—the Effects which they produce upon different bodies—the Uses to which they may be applied, and the Art of applying them successfully.

THE SECOND EDITION,
Illustrated by a Series of Experiments.Price 9s.

CHEMICAL AMUSEMENT,

Comprising a Series of curious and instructive Experiments in Chemistry, which are easily performed, and unattended by Danger.

The Fourth Edition.Price 9s.

A PRACTICAL TREATISE ON GAS LIGHT,

WITH SEVEN COLOURED PLATES,

Exhibiting a summary description of the Apparatus and Machinery best calculated for illuminating Streets, Houses, and Manufactories, with Coal Gas; with Remarks on the general nature of this new branch of civil economy.

The Fourth Edition.Price 12s.

ELEMENTS OF CRYSTALLOGRAPHY,

After the Method of Haüy,

WITH PLATES AND GRAPHIC DESIGNS,

Exhibiting the Forms of Crystals, their Geometrical Structure, and general Laws, according to which the immense variety of actually existing Crystals are produced.

Price 15s.

A MANUAL OF ANALYTICAL MINERALOGY,

Intended to facilitate the Practical Analysis of Minerals, by pointing out to the Student concise directions for performing the Analysis of Metallic Ores, Earths, and other Minerals.

Second Edition.2 Vols.Price 15s.

A SYSTEM OF THEORETICAL AND PRACTICAL CHEMISTRY,

IN TWO VOLS. WITH PLATES.

Second Edition. Price 15s.

Directions to the Binder.

Plate II, to face Title Page.

Plate III, IV, V, VI, and VII, at the end of the Book.

Pl. III.

Accums, Discription of Gas Works.

Gas Light Machinery, at the Royal Mint.
in Explanation of Plate, II.

[Larger plate]

Pl. IV.
Accums, Description of Gas Works.

G. H. Palmer, Del.

Gas Works.
Westminster Station

[Larger plate]

Plate V.
Accums, Description of Gas Works.

W. Read, Sculp.^t

Gas Holder at Birmingham
without Specific Gravity Apparatus,
capacity 30,000 Cubic Feet.

[Larger plate]

[Plate VI.]
Accums, Description of Gas Works.

W. Read, Sculp.^t

Gas Holder at Chester
Without Specific Gravity Apparatus,
Capacity 30,000 Cubic Feet.

Gas Holder at Westminster,
Without Specific Gravity Apparatus,
Capacity 15,400 Cubic Feet

[Larger plate]

Accums, Description of Gas Works.
Pl. VII.

Lowry, Del.^t & Sculp.^t

Gas-Works.

[Larger plate]