Cabin Altitude/Pressurization Selector Set (2 instruments) B-50 KC-97 C-7

Cabin Altitude/Pressurization Selector Set (2 instruments) B-50 KC-97 C-7This offer is for a vintage 1950s Cabin Altitude Pressurization Selector Set of 2 instruments: Cabin Altitude Pressurization Selector and the Pressurization Rate of Change Selector, made by Airesearch, which appeared on the engineers panels of the Boeing B 50 Bomber and KC 97 Stratotanker. See photos of the diagram and descriptive text from the B 50 Flight Manual. Both measure 3. 25in diameter and ~6in deep. The dial markings are clear and the glass

See instruction page from the SCR-595 manual in the photo gallery

and can be easily removed to inspect the internal mechanism

P-40 Warhawk

one is a blue Acceptance tag

made by Marconi Espanola under license from the German instrument manufacturer Askania

Bendix Autosyn

The instrument is in exceptional but experienced condition given its age

25in diameter and 4in deep

While the Mark IA was used across numerous British aircraft during the war

The pointer is calibrated by turning the screw in the lower left corner

but we recently sold another with US Navy label on its case and 1955 service label

thus corresponding BMEP with BHP and RPM