B-24 Liberator Memorial Restoration Australia Inc, Werribee
2 Circular plastic manual computing discs with black print on a white background with areas for calculating Centre of gravity, Armament, Bomb loadings,Fuel, oil,Crew, Miscel., Oxygen and Camera. Clear plastic protractor with string attached. Enclosed in a leather envelope.
Standard crew issue for pilots and flight engineers.
The equipment supplied air crew with a computer to calculate individual aircraft's weight and balance.
Inscriptions & Markings
GRAVISCOPE FOR LIBERATOR. MODEL B24J, L AND M. MANUFACTURED BY MELB. >W&G< AUST. R.A.A.F IDENT NO G6B/2396