This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1887 edition. Excerpt: ... INDEX. PAGE Accumulating piston retort, description of 45-53 Acetic acid from wood and peat 49 Advantages of making gas from tar for town at a distance from coalfields 62,64 Atmospheric air cannot be permanently saturated with hydrocarbon vapours 2 Black ash made in piston retorts 50 Blowing air into retort to raise the temperature 34 Capacity of piston retorts 62,63 Carbon, depurating properties of 60 Carburetting air with hydrocarbon vapours 2 Cement calcined under high temperature ., 50 Charcoal must be broken small 32-37 Coals of inferior quality can be distilled for tar 17 one ton can be made to produce 18,000 feet of gas .. .. 18 tar should be washed with acidulated water 36 dust, profits from utilising 53 Coke may be used instead of charcoal 38, 39 Combining contact in pores of carbon 2 Cooling of different substances by quick and slow cooling .. 43, 44 Cost of apparatus for making gas from tar 19,20 Decomposing retorts, mode of operating 15,32 Degrading of gases in hot retorts 3,4 Description of Figs. 11, 12, 13 and 14 40,41 Distilling retorts, description of 14 Ejected pitch mixed with coal-dust and chalk 37,38 to be destructively distilled for tar 38, quantity to be ejected 38 Essential vapours have a strong affinity for carbonic oxide .. 26 F Functional still, use of .. ... 24,35,36 Gas can be made of any illuminating power from tar up to 60- candle 6, 17 from resin, fat, wood, peat, and sewage sludge 18 445 feet of 24-candle gas made from tar and water .. .. 30, ivo ib,,, .. .. dy divided into small bubbles 35 no difficulty in making from tar 37 Heating gas requires a larger quantity of...

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