A history of mechanical inventions /
Usher, Abbott Payson, 1883-
A history of mechanical inventions / A. P. Usher. - 1st ed. - New York : McGraw-Hill book company , 1929. - xi, 401p. : ill., diagrs ; 24cm.
Includes bibliographical references.
Inventions --History.------
Machinery --History.------
608.7
A history of mechanical inventions / A. P. Usher. - 1st ed. - New York : McGraw-Hill book company , 1929. - xi, 401p. : ill., diagrs ; 24cm.
Includes bibliographical references.
Inventions --History.------
Machinery --History.------
608.7