Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,170 pages of information and 233,417 images on early companies, their products and the people who designed and built them.
Note: Sometimes spelt Crosby Steam Gauge and Valve Co, maybe in error.
The company was established in Boston, USA, c.1874
Mason automobile engine and Crosby 'pop' safety valve.
Also see Crosby Valve and Engineering Co.