Title: Boiler and gearing of locomotive engines for working heavy grades
Patent number: 7,498
Date granted: 7/9/1850
View this patent at the USPTO.
Inventor: George Sellers
Title: Boiler and gearing of locomotive engines for working heavy grades
Patent number: 7,498
Date granted: 7/9/1850
View this patent at the USPTO.
Inventor: George Sellers