Turn and Bank Indicator (Face only), Type A-1 Pre-WWII Tony Fighter helicopters

helicopters

This is a Magnesyn-type Manifold Pressure Indicator for a dual engine aircraft

The compass fluid has evaporated but it is otherwise in very good condition for its age

This example is not for sale

but could likely be refilled

Turn and Bank Indicator (Face only), Type A-1 Pre-WWII Tony Fighter helicoptersThis is the face section of the first Turn and Bank Indicator used in Pre WWII aircraft of the Air Corps US Army: Type A 1. By the time WWII began, the common turn and bank indicator type was up to A 5. The serial number prefix is 27, and, if the serial numbering methodology is the same as used in WWII instruments, may have been manufactured in 1927. The glass tube in intact and still contains fluid and the floating ball. Measures ~2. 75 inches