Electric auroscope
Electric auroscope, the 'Elf', nickel plated brass, Germany, 1934
- Measurements:
-
overall: 35 mm x 210 mm x 105 mm, .128 kg
- Materials:
- brass (nickel plated) , electronic component and complete
- Object Number:
- 1981-1620/1
- type:
- auroscopes
