Tachometer, Type E-13, AN-5530-1, US Navy Cessna While called a "Flight Indicator"

While called a "Flight Indicator" on its label

part number 1426-1AE-A1

a very small black index pointer travels along the perimeter of the dial between 350-530 knots setting the mach limit between 0

but a version that has the brown (resin or masonite) stabilizing 'wings' between the mast and the blades

mso-style-parent:""

Tachometer, Type E-13, AN-5530-1, US Navy Cessna While called a "Flight Indicator"This is an example of the WWII era single engine electrical tachometer, Type E 13, GE part number 8DJ13ABN. The E 13 Tachometer was used in various US fighter aircraft, such as the P 38 Lightning, P 39 Airacobra, P 47 Thunderbolt, and P 51 Mustang. Judging from the alternating lettering color of white and Munsell green, we speculate that this particular specimen was used in aircraft of the US Navy, such as an F4F Wildcat, where this color scheme was