Machines and the men who made the world of industry

Hartman, Gertrude.

Machines and the men who made the world of industry by Gertrude Hartman. - New York The Macmillan company 1939. - x p. , 1 b., 278 p. illus., diagrs. 22 cm.

Illustrated lining papers.

39025154


Industrial arts--Juvenile literature.
Inventors
Machinery--Juvenile literature.
Industrial arts--History.

T15 / .H347

609
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