Title: Steam lift and force pump
Patent number: 92,627
Date granted: 7/13/1869
View this patent at the USPTO.
Inventor: James Maxwell
Inventor: Ezra Cope
Title: Steam lift and force pump
Patent number: 92,627
Date granted: 7/13/1869
View this patent at the USPTO.
Inventor: James Maxwell
Inventor: Ezra Cope