Patents for inventions : abridgments of specifications. Class 35 Dynamo-Electric generators and motors [including Frictional and Influence machines, Magnets, and the like] : period - A.D. 1916-20 [100
by Great Britain. Patent Office
€195 · Offered by MW Books
1923, First Edition. London : H.M.S.O. Fine copy in the original stiff-card wrappers. Particularly and surprisingly well-preserved; tight, bright, clean and especially sharp-cornered. Physical description; 3 v. : 1 vol. 386 p., 2 vol. 498, 3 vol. 493 p. ill ; 27 cm. Subjects; Dynamo-Electric Generators. Motors.
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