Title: Grinding mill
Patent number: 103,106
Date granted: 5/17/1870
View this patent at the USPTO.
Inventor: Andrew Vandegrift
Inventor: George Vandegrift
Title: Grinding mill
Patent number: 103,106
Date granted: 5/17/1870
View this patent at the USPTO.
Inventor: Andrew Vandegrift
Inventor: George Vandegrift