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a black and white picture of a clock and a booka brown box with a label on it on a white surfacea clock that has a black dial on ita picture of a black disc on a white surfacea close up of a dial on the side of a clock
Maître Lydie BRIOULT

53 - Computer True Airspeed Type G-1
See original version (French)

Estimate €30 - €50
Sale commission
Description
Computer True Airspeed Type G-1 A black plastic disc, 20.32 cm in diameter, used to calculate true airspeed based on indicated airspeed, atmospheric pressure and temperature. An example produced by G. Felsenthal & Sons in 1942, in perfect condition and supplied with its original cardboard packaging. (Mathieu Bianchi Collection)
See original version (French)
Auto-translation. Refer to original language for legal validity.
About the sale Sale of the Grégory Pons collection and miscellaneous items (Aviation and WW2 Militaria)
Auction location
Auction time 11/14/2026 at 1:30 PM
Lot description modified on 10/13/2026 at 11:46 AM
Pictures credits: Contact the Auction House
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