Report from the Select Committee on Lighting by Electricity; Together with the Proceedings of the Committee, Minutes of Evidence, and Appendix - Softcover

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1879 Excerpt: ...II 89. How do the fire-clay retorts compare in price with the old iron retorts?--They are cheaper in the first cost. 1190. How do they compare as regards durability?--I am almost ashamed to say that I cannot answer that question. I have never used an iron retort in my life; I should think that the durability, that is to say, the length of service obtained from an iron retort, would be about the same as from a fire-clay retort. We get about 700 or 800 days of actual work out of a retort, and I should think that it would be rather under than over that from an iron retort. 1191. Chairman. In obtaining the light from gas you are probably aware that it is a very wasteful application of energy, as you only get a small portion of illuminating power out of a large amount of energy r--I heard the figures that you gave with very great interest and with some surprise. 119a. If it is the case that a very large proportion of the energy is lost as heat, and does not appear as light, in any competition in the future between gas and the electric light, would it not be the interest of the gas companies to increase their illuminating power, and to decrease the heat energy which is lost just now, and which is an inconvenience to the public?--I am not sure that, for the same cost, an increase in the illuminating value of the gas would diminish that ratio. 1193. If out of one cubic foot you get more light and less heat, would it not considerably diminish the inconvenience of heat to the public?--I should say that it would. 1194. Although the London public, perhaps, or the companies (I do not know which it is), do not like a rich gas, you are probably aware that other parts of the kingdom and other countries use very much richer gas than the London gas is?--I know that in Scotla...

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