Small, Sidney Aylmer, 1876- [from old catalog] · Chicago, F. J. Drake & co · leaf 444
its. Special efforts have been putforth to collect data with reference to gas engines of large capacity.The subject of fuel is becoming daily more important. Any appliancethat will produce the maximum amount of heat-energy from the mini-mum weight of coal, is destined to be the favorite, and this… … SENT POSTPAID TO ANY ADDRESS ON RECEIPT OF PRICE.12mo., Cloth, 800 Pages, Fully Illustrated :: $2.00 FREDERICK J. DRAKE & CO. PUBLISHERS CHICAGO, ILLINOIS OPERATORS WIRELESS TELEGRAPHAND TELEPHONE HAND-BOOK By VICTOR H. LAUGHTER
Electricity
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