Cabin Altitude/Pressurization Selector Set (2 instruments) B-50 KC-97 C-7 thus corresponding BMEP with BHP

thus corresponding BMEP with BHP and RPM

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

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

one is a blue Acceptance tag

and can be easily removed to inspect the internal mechanism

Cabin Altitude/Pressurization Selector Set (2 instruments) B-50 KC-97 C-7 thus corresponding BMEP with BHPThis 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