Tachometer, Type E-13, AN-5530-1, US Navy Cessna mso-style-parent:""

mso-style-parent:""

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

or Sacramento Air Material Area at McClellan Air Base

This compass is both magnetic and gyro-stabilized

While called a "Flight Indicator" on its label

Tachometer, Type E-13, AN-5530-1, US Navy Cessna mso-style-parent:""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