“From the Abbé Hautefeuille’s powder machine, invented in 1678, to the Maxim Patent of 1883, is a long record of progress fully detailed in Mr. Macgregor’s useful and interesting book.”—Saturday Review.
“This handbook may be safely recommended to all students who wish to acquire a thorough practical knowledge of the mechanism and theoretical principles of the gas engine.”—The Building News.
Electro Motors.
MAGNETO- AND DYNAMO-ELECTRIC MACHINES. With a Description of Electric Accumulators. From the German of Glaser de Cew. With 61 Illustrations. Crown 8vo, pp. xiii-301, 6s. cloth.
In successive chapters the author considers electrical units; the historical development of magneto- and dynamo-electric generators; machines generating alternating and direct currents; the particular applicability of the various electric generators; automatic switches and current regulation; electrical storage; the physical laws bearing on the construction of electric generators; the construction of the several parts of electric generators; the employment of these machines in producing the electric light; and for various other purposes.
“Almost all the best known machines are described and illustrated, with the discussion of certain theoretical questions.”—Electrician.
“Will be welcomed by those who wish, without studying the matter for professional purposes, to possess a scientific knowledge of modern electrical machines.”—English Mechanic.
“Presents in condensed form an epitome of electrical progress up to recent dates.”—Scientific American.
Ballooning.
BALLOONING: A Concise Sketch of its History and Principles. From the best sources, Continental and English. By G. May. With Illustrations. Crown 8vo, pp. vi-97, 2s. 6d. cloth.