Crabtree, Jerome Bruce. The marvels of modern mechanism and their relations to social betterment, by Jerome Bruce Crabtree ... with special chapters by Carroll D. Wright, Ll.D. and Willard Smith ...

Crabtree, Jerome Bruce.

The marvels of modern mechanism and their relations to social betterment, by Jerome Bruce Crabtree ... with special chapters by Carroll D. Wright, Ll.D. and Willard Smith ...

Springfield, Mass., San José [etc.] The King-Richardson company, 1901.

"List of authorities": p. [12]-16.

Industrial arts -- History.

Inventions.

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