Important Collectors’ Wristwatches, P...

Geneva, Mandarin Oriental Hotel Du Rhône, May 13, 2007

LOT 67

A lot of two altimeters A. "Altimeter" Léon Hatot. Probably made in Besancon, circa 1939. Fine, aluminium-cased aeroplane altimeter for cockpit mounting.

C. Circular, three holes for fixing, rotating milled bezel. D. Annular black, rotating with the bezel, luminous baton and Arabic numerals calibrated from 000-8000. Aluminium lozenge hand. M. Aneroid type with sealed vacum, rack and pinion and hairspring driving the hand. Diam. 12 cm.

B. "Portable Military Altimeters" L(éon) Hatot, Fabricants, Besancon, "Aviation Militaire, Barometer Altimetre Compensé". Made circa 1939. Fine and rare, portable, aluminium altimeter for military use with a wooden box. Accompanied by the original patent.
C. Circular, milled bezels, four brass rings for attachment, button at the top for adjusting the scale. D. Annular black revolving altimeter scale with luminous baton and Arabic numerals calibrated from 0 - 5000, matte silvered center with scale calibrated from 44 - 80. Blued steel "arrow" hand with luminous tip. M. Aneroid type with sealed vacum, rack and pinion and hairspring driving the hand. Diam. 9.4 cm. Property of a French Gentleman