Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 819
and the quantity of carbon contained in the product is so muchdiminished as seriously to impair the illuminating power. Again, everysecond the gases after their production remain in the red-hot retort dimi-nishes their light-giving value ; for those hydro-carbons on which theluminiferous power of… … Fig. 348.- The Retort.
Inventions
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