Original German WWII Luftwaffe Aircraft External Temperature Gauge with Intact Plug by Siemens & Halske AG - Fl. 20349 Japanese Documents and Books with the tsuba and O-seppa

with the tsuba and O-seppa being made from blacked copper or brass

The grip is a very nice example of black bakelite

This has caused the ends of the red fiber bolt handle to split off

Krupinski joined the Luftwaffe in 1939 and completed his flight training in 1940

There is some oxidation and fouling overall

Original German WWII Luftwaffe Aircraft External Temperature Gauge with Intact Plug by Siemens & Halske AG - Fl. 20349 Japanese Documents and Books with the tsuba and O-seppaOriginal Item. Only One Available. In aviation, information about the outside air temperature is extremely important for the pilot to take appropriate measures in good time. This electric "remote thermometer" shows the temperature of the outside air. It consists of the actual thermometer (Fl. 20341), a temperature sensitive resistance wire, the display device and the power source for the measuring current (board battery). The thermometer consists of a