Multi-purpose electrical measuring instrument type F2 serial No. 3906/608 by Joseph Junker
- Made:
- 1939-1945
- maker:
- Hartmann and Braun
Multi-purpose electrical measuring instrument type F2 serial No. 3906/608 by Joseph Junker, Berlin, incorporating parts by Hartmann & Braun, built into a small suitcase and with instructions, probably made between 1939 and 1945, for testing polarity and continuity and measuring a.c. and d.c. current voltage, resistance and capacitance.
