Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 820
Fig. 348.- The Retort. … Fig. 348a.—-Retort House of the Imperial Gas- Wor/cs, Aln^s Cross, London. 768 COAL-GAS. 769 not add to the illuminating but to the heating constituents of the gas. Aplan has been patented by Mr. White, of Manchester, for rapidly removingthe illuminating gases from the retort by sweeping them out…
Inventions
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