Pilot's and Flight Engineer's Notes Catalina I,IB,II,IV, 2nd Ed., AP2036AB&D-PN Viscount the aircraft was traveling at

the aircraft was traveling at 820 km/h

This is a vintage Cold-War-era Outboard Wing Tank Fuel Quantity Indicator

The serial # is 1538/58

The construction is that of a wood mast encased in thin metal with a cable running internally lengthwise from tip to a junction at the base

as used in the Airborne Radio Navigation System AN/ARN-11 (see spec sheet in photo gallery) during and after WWII in both military and commercial aircraft

Pilot's and Flight Engineer's Notes Catalina I,IB,II,IV, 2nd Ed., AP2036AB&D-PN Viscount the aircraft was traveling atThis is a post WWII Air Data Publications reprint of the November 1943 Air Ministry Publication. Includes checklist, airplane handling, emergencies, foldouts of cockpit pictures and instrument panel. This ~50 page black and white manual is in very good condition. Measures 7. 5 inches long and 5 inches wide.