Cabin Altitude/Pressurization Selector Set (2 instruments) B-50 KC-97 C-7 one is a blue Acceptance

one is a blue Acceptance tag

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

P-40 Warhawk

thus corresponding BMEP with BHP and RPM

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

Cabin Altitude/Pressurization Selector Set (2 instruments) B-50 KC-97 C-7 one is a blue AcceptanceThis 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