Prototype of Mudford's improved form of Kelvin's astatic galvanometer
Prototype of Mudford's improved form of Kelvin's astatic galvanometer
- Object Number:
- 1975-276 Pt1
- type:
- galvanometers
Prototype of Mudford's improved form of Kelvin's astatic galvanometer, with letter from Kelvin approving Mudford's improvement
Prototype of Mudford's improved form of Kelvin's astatic galvanometer