Title: Grinding mill
Patent number: 20,310
Date granted: 5/18/1858
View this patent at the USPTO.
Inventor: Salvador Vascou
Inventor: Adolphe Guirand
Title: Grinding mill
Patent number: 20,310
Date granted: 5/18/1858
View this patent at the USPTO.
Inventor: Salvador Vascou
Inventor: Adolphe Guirand