R. Stephens and Son
Rock Drill Works, Carn Brae, Cornwall
1878 Company formed by Richard Stephens and his son William Charles Stephens
1888 R. Stephens and Son, Carn Brae, award for improved ratchet on Climax drill.[1]
1900 W. Stephens of the Climax Rock Drill Works.[2]
1911 'Climax Rock Drill Works (Messrs. R Stephens and Son), at Carn Brea'[3]
See Climax Rock Drill and Engineering Works