Historical information
Standard crew issue for pilots and flight engineers
Significance
Equipment supplied crew with a computer to calculate true airspeed.
Physical description
2 black discs printed with luminous paint with plastic indicator, used for calculating true air speed.
Inscriptions & markings
COMPUTER. TRUE AIRSPEED. A.C. TYPE G-1
A list of 4 instructions for use.
Spec. No. 27367-A, MFG.DWG. No. 42D531, Order No.42-18049-P
GENERAL LUMINESCENT CORPORATION, CHICAGO
