Aviation holosteric barometer. Aneroid barometer made by Naudet & Cie in Paris, well marked Ministère de la Guerre. In wooden case with carrying handle and wall mounting bracket. Lid closing hooks present. Dimensions 15.5 x 16 x 8 cm. Accuracy not tested. Good condition. Holosteric Aviation Barometer Aneroid barometer by Naudet & Cie, Paris, marked "Ministère de la Guerre." Contained in a wooden case with carrying handle and wall-mounting hook. Lid clasps intact. Dimensions 15.5 × 16 × 8 cm. Accuracy untested. Good condition.