Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 817
Fig. 347.—Section of Gas-inakmg Apparatus. The products resulting from the destructive distillation of the coal may,,therefore, be classified as—a, solids left behind in the retort; b, solids and.liquids condensed by cooling the vapours which issue from the retort; c,coal-gas—a mixture of gases…
Inventions
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