THE COLLECTIONS OF JANET & JACK THORNTON
Wednesday, 12 - Monday, 24 November 2025

A USAAF Aerial Dead Reckoning Computer: a Philips' 'Handy Theodolite' and a German WWII 'gunner's quadrant',


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Lot Details

the airforce airspeed and altitude computer by Cruver Mfg, Chicago; the George Philips' simple theodolite in original box, the quadrant of polished steel in a suede lined fruitwood box.


A USAAF Aerial Dead Reckoning Computer: a Philips' 'Handy Theodolite' and a German WWII 'gunner's quadrant', Image 1++
A USAAF Aerial Dead Reckoning Computer: a Philips' 'Handy Theodolite' and a German WWII 'gunner's quadrant', Image 1++