Holley Aircraft Carburetors, Slide Film Review Book April 1943 F4U Corsair The venturi is a tube

The venturi is a tube shaped like a double "V" and has a small opening

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

The lamp is included

this indicator was used in the twin-engine Bristol Beaufighter

Measure 6 inches by 4

Holley Aircraft Carburetors, Slide Film Review Book April 1943 F4U Corsair The venturi is a tubeThis is an original 96 page book published in 1943 by the Holley Carburetor Company to accompany a set of 11 slide shows explaining the theory of operation, installation, overhaul, maintenance, and the test stand for Holley Aircraft carburetors. Inside each page illustrates 9 black and white slides of each slide show including the accompanying text for each slide. Its in exceptional condition given its age.