B-24 G, H, J Liberator Bomber Flight Manual and Erection and Maintenance Manual H-46 The AN-5773-1 Engine Gage Unit

The AN-5773-1 Engine Gage Unit displayed 3 metrics with one instrument:  Oil temperature (from 0-150 deg C)

It is clearly an 'experienced' artifact

when turned

The A-5 Automatic Pilot was used primarily in WWII-era bomber aircraft of the Air Corps US Army such as the Consolidated B-24 Liberator (see photo showing the location of the panel in the B-24 cockpit)

since all that is required of him is the proper response to its indicators without the necessity of making any mental computations

B-24 G, H, J Liberator Bomber Flight Manual and Erection and Maintenance Manual H-46 The AN-5773-1 Engine Gage UnitThis is an original WWII era 109 page Flight Manual for the B 24 G, H, J Liberator Bomber and PB4Y Privateer dated August 1944, and an original partial (1 491 of 630 pages) Erection and Maintenance Manual for the B 24 D, G, H, J Liberator and PB4Y Privateer dated May 1944. The binder is missing its cover but still retains the pages.