5 public-domain matches

Cotton Gins And Ginning

Cover of Fires in cotton gins and how to prevent them

Fires in cotton gins and how to prevent them

Harry E. Roethe

Cover of Grounding cotton gins to prevent fires

Grounding cotton gins to prevent fires

Harry E. Roethe

Cover of The cotton gin

The cotton gin

Daniel Augustus Tompkins

Cover of Carl and the cotton gin

Carl and the cotton gin

Sara Ware Bassett

U.S. Patent X72: Cotton gin

U.S. Patent X72: Cotton gin

Eli Whitney