Title: Method of connecting the slide valves with rock shafts in steam engines
Patent number: 7,871
Date granted: 1/01/1851
View this patent at the USPTO.
Inventor: Samuel Gilman
Title: Method of connecting the slide valves with rock shafts in steam engines
Patent number: 7,871
Date granted: 1/01/1851
View this patent at the USPTO.
Inventor: Samuel Gilman