B-29 Superfortress Flight Engineers Standard Procedures 1944 C-47 and was illuminated by turning

and was illuminated by turning the two small bulb/knobs on either side of the center knob

Here is a Rocket Station Distribution Box which appeared in WW2-era F4U Corsairs and TBM Avengers of the US Navy

The crewman or co-pilot operated a handgrip to adjust the aim of the externally mounted searchlight

This example has a service label and yellow stamp (dated Oct 1954) from "Com Fair Japan" or "Commander Fleet Air

B-29 Superfortress Flight Engineers Standard Procedures 1944 C-47 and was illuminated by turningHere is a WWII era Second Air Force handbook of Standard Procedures for the Flight Engineer, dated July 1944. The 70+ page pocket reference contains all of the procedures necessary for the Flight Engineer to fulfill his duties aboard ship including illustrations and diagrams. Measures ~6 inches by 4 inches and is in very good condition for its age.