Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 833
Fig. 351^.This new gas-lighting must also be a great … Fig. 352.—Apparatus for makmg Magenta. COAL-TAR COLOURS. COAL-TAR is an exceedingly complex material, being a mixture of agreat number of different substances. The following table shows thechemical name of many of the substances obtainable from the coal-tar. Itmust not be supposed that these…
Inventions
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