rts in and the frequent opening of the glowing retorts, are of distillation, which should take place at a tempera- ture between 1,000 deg. and 1,100 deg. C. to produce gas the workmen dripping with sweat and covered with black dust. The crew of a battery is composed of two of maximum illuminating… … the approach of the dull season in the apparatus, so that the wheel appears to Fig. 5.—The Great Meters of the Clichy Gas Works. Po ynmnpnay 1M it Fig. 3. A VISIT TO A FRENCH GAS WORKS.
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