A-10 Warthog Flight Manual 1980 ME-210 Our research indicates that it

Our research indicates that it may have been made for the Canadian-designed/manufactured Cold-War-era interceptor aircraft

The left knob rotates the course setting indicator

See diagram from the UH-1 Flight Manual

Here is a Radio Magnetic Course Indicator which was used in a variety of US military aircraft of the 1950s

and a larger direction indicator pointer

A-10 Warthog Flight Manual 1980 ME-210 Our research indicates that itThis is an authentic, original USAF Flight Manual for the A 10 Warthog Attack Aircraft. Hundreds of pages (paginated in sections), ~ 1. 25 inches thick. Black and white with color complimented technical diagrams. Restoration inquiries are welcome.