![One of three standard electrical test instruments](https://coimages.sciencemuseumgroup.org.uk/411/187/large_smg00198299.jpg)
One of three standard electrical test instruments
Collection of three standard electrical test instruments.
- Materials:
- phenolic resin (bakelite) & glass & and bras s
- Object Number:
- 1993-2073 Pt1
- type:
- instruments
- Image ©
- The Board of Trustees of the Science Museum