Improved Badcock expansion screw
Improved Badcock expansion screw, upper, boxed, with accessories, by the Amalgamated Dental Co., London, 1930-1940
Details
- Category:
- Dentistry
- Object Number:
- 1980-1865/10
- Materials:
- box, cardboard, screw, brass (nickel plated) and spanner, brass (nickel plated)
- type:
- expansion screws
- credit:
- British Dental Association