Rocket Rock Drill, 1886-1891
Ratchett rock drill by The Hardy Patent Pick Co., Sheffield, 1886-1891.
- Materials:
- metal (unknown)
- Object Number:
- 1891-181/1
- type:
- rock-drill
- Image ©
- The Board of Trustees of the Science Museum
Ratchett rock drill by The Hardy Patent Pick Co., Sheffield, 1886-1891.
Ratchett rock drill by The Hardy Patent Pick Co., Sheffield, 1886-1891.
Drill bit for ratchett rock drill by The Hardy Patent Pick Co., Sheffield, 1886-1891.