编号 100792960

编号 100792960

Several Vintage analog electrical measuring instruments, which are collectible items.
The top device appears to be a Hartmann & Braun Multavi R voltmeter, a special radio technology device first introduced in 1937.
The middle device is an AEG Universal Meter, likely from the first half of the 20th century.
The third RFT Kelvin bridge, also known as a Thomson bridge, which is an instrument used for measuring low electrical resistances. Device Test 104
Vintage in a good condition
Shipping DHL