Doodles, Drafts and Designs

Evans Dual-purpose Streamlined Auto-Railers
Detroit, Michigan, 1930s

Automatic compound bevel wheel cutting machine
1883 ink on linen

Patent drawing of Maidenform brassiere, 1938
William Rosenthal and Charles M. Sachs, Maidenform Co., New York, New York
printed ink on paper. No wonder they're so complicated to remove!

Farrell-Cheek Steel Co., Finest Steel Circular Products for Industry
Sandusky, Ohio, 1940s

Cross-compound pumping machine,
Holly Manufacturing Company,
Lockport, New York 1897 ink on linen

Doodles, Drafts & Designs - Industrial Drawings from the Smithsonian.