Tachometer, Chronometric, Type C-9A, WWII Ki-100 Mounting MT-274/ARN-6

Mounting MT-274/ARN-6

This 176-page Aircraft Recognition Manual for the Observer was provided to personnel of the Ground Observer Corps

in November 1940

The luminous paint has faded to the typical orange tint

the Contactor is ready to go

Tachometer, Chronometric, Type C-9A, WWII Ki-100 Mounting MT-274/ARN-6Here is an exceptional example of the WWII era Chronometric (i. e. mechanical) Tachometer, Type C 9A, as used by single engine aircraft of the Air Corps US Army. According to the US Army Air Force Maintenance Interchangeability Chart dated Feb 1945, the C 9A tachometer was used in fighters P 40 Warhawk (E N), early versions of the P 47 Thunderbolt, and P 51 Mustang, dive bombers A 35 Vengeance and A 36 Apache, and transports UC 61 and UC 64A. This