BEVEL GEARS, Hugo Bilgram's screw gearing. New York, 1907
Illustration showing BEVEL GEARS, Hugo Bilgram's screw gearing. New York, 1907
Picture No
13912334
Media ID
48518606
Size
4091px x 5126px
(6.7MB)
Credit
World History Archive / Mary Evans Picture Library
Source
World History Archive





























