File:A practical treatise on gas-light - exhibiting a summary description of the apparatus and machinery best calculated for illuminating streets, houses, and manufactories, with carburetted hydrogen, or (14750197416).jpg

Identifier: practicaltreatis00accuuoft (find matches)
Title: A practical treatise on gas-light : exhibiting a summary description of the apparatus and machinery best calculated for illuminating streets, houses, and manufactories, with carburetted hydrogen, or coal-gas : with remarks on the utility, safety, and general nature of this new branch of civil economy
Year: 1815 (1810s)
Authors: Accum, Fredrick, 1769-1838
Subjects: Gas-lighting Candles
Publisher: London : Printed by G. Hayden ... for R. Ackermann ... Longman, Hurst, Rees, Orme, and Brown and Sherwood, Neely, and Jones ... and J. Hatchard ...
Contributing Library: Fisher - University of Toronto
Digitizing Sponsor: Ontario Council of University Libraries and Member Libraries

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Text Appearing Before Image:
hthe gas-pipe ascends from the floor of theapartment, the lateral branches communicat-ing with the central tube. Fig. 2. An Arabesque Chandelier. The gasenters from the ceiling of the room into therope-shaped pipe, a, from which it proceedsthrough one of the arched ribs, b b, into thehorizontal hoop, or pipe, c. Fig. 3. A Roman Chandelier. The gas entersthrough the inflexible hollow chain, a, intothe central tube, b, from whence the burnersare supplied by the lateral branches, c c. Fig. 4. A Gothic Chandelier. The gas istransmitted to the burners through the rope, a,which includes a tube, and the communicationwith the burners is established through thelateral branches. Fig. 5. A Pedestal Figure Lamp. The gas ishere made to pass by means of a pipe throughthe body of the figure into the lattice-workplateau, constructed of hollow and perforatedbrass tubes. Fig, 6. A Pedestal Vase Lamp. The gas-tubeenters through one of the claw-feet of thealtar-shaped pedestal, into the glass vase, a9 at
Text Appearing After Image:
A TREATISE ON GAS-LIGHT. 121 the bottom of which it joins the tubes commu-nicating with the metallic corn-ears, b, at theupper extremities of which it forms jets defeu. Fig. 7. A Girandole. The gas enters throughthe bracket, #, and is conveyed to the burnersby the descending tubes, b b. Fig. 8. A Candelabrum, having a centralpipe, through which the gas is conducted tothe burner at the top. OTHER PRODUCTS OBTAINABLE FROM COAL: NAMELY, COKE, TAR, ESSENTIAL OIL, &c. Having thus far considered the nature ofcoal-gas as a substitute for the lights now inuse, it will be necessary to attend more parti-cularly to some other products which are ob^tained during the production of this speciesof light: namely, coke, tar, ammoniacal li-quor, &c. Coke.—The substance called coke, whichconstitutes the skeleton of the coal, or its car-bonaceous base., is left behind in the retort, af- R 122 A TREATISE ON GAS-LIGHT. ter all the evaporable products have been ex-pelled from the coal by heat.—S

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