Altimeter, Aviation Section US Signal Corps, 15,000FT, WWI Czech when combined with the APA-44

when combined with the APA-44 computer

Jaeger Chronoflite

RELATIONSHIP OF PARTS: Used with:

Imagine you are a 22 yr old Soviet artillery officer under pressure from your Soviet General (with the political officer looking over your shoulder) while trying to use this device to determine critical mathematical calculations and avoid the consequences of friendly fire on your front-line comrades (not that the political officer cared about that)

The tachometer and speed indicator are connected by an electrical cable

Altimeter, Aviation Section US Signal Corps, 15,000FT, WWI Czech when combined with the APA-44This is an Altimeter used in military aircraft of the Aviation Section, US Signal Corps, which existed from 1914 1918 and was the WWI era precursor to today's US Air Force. This altimeter crudely measured altitude from 0 15,000 ft. By loosening the small retaining lever, gripping the knurled rim of the faceplate and turning, the numerical scale rotates clockwise or counter clockwise while the pointer remains stationary, to correct the altitude reading