Electromechanical counter unit with input valve
- Made:
- 1950-1970
Electromechanical counter unit with input valve, by Behaviour Apparatus Ltd.
Details
- Category:
- Psychology, Psychiatry & Anthropometry
- Object Number:
- 1996-277/55
- type:
- counter unit
Electromechanical counter unit with input valve, by Behaviour Apparatus Ltd.