USAF Flight Computer Kit CPU26A/P, Plotter, Dividers B5N2 Kate 4 mach on the scale

4 mach on the scale from 6-12 o'clock

Weston model 301

while the pointer labeled "M" indicates RPMs of the Engine

The indicator is in exceptional condition cosmetically

It is Part IV in a series and includes Section 11

USAF Flight Computer Kit CPU26A/P, Plotter, Dividers B5N2 Kate 4 mach on the scaleThis is an original 1960's era kit of USAF navigators' tools. The kit includes a CPU 26A P Air Navigation Computer and extra slide, a navigation plotter, and three navigator dividers. It is evident that the kit has been put to use, but is in good condition given its age. One of the dividers appears to have green ink on it.