![](https://coimages.sciencemuseumgroup.org.uk/61/575/large_thumbnail_1983_0478__0002_.jpg)
Rotary switch for measuring magnetic flux density by the make-and-break method
- Made:
- 1963-1983 in Birmingham
- maker:
- Philip Harris Ltd
![Rotary switch for measuring magnetic flux density by the](https://coimages.sciencemuseumgroup.org.uk/393/310/medium_smg00159230.jpg)
Rotary switch for measuring magnetic flux density by the make-and-break method, for use with long solenoid and external secondary coil, by Philip Harris Ltd.
Details
- Category:
- Science Teaching
- Object Number:
- 1984-919
- type:
- rotary switch
- credit:
- South East London Secondary School