Chelsea Holosteric Barometer A4 Skyhawk an SBD pilot who went

an SBD pilot who went on to be an Assistant Secretary of the Navy and eventyally appointed by President Ronald Reagan as US Ambassador to Australia from 1981-85

While the content is the same

Inspection stamps of 1940 and 1942 can be seen inside the lid

This indicator was used in aircraft of the Japanese Army such as*:

This is an original course book from the American School of Aircraft Instruments

Chelsea Holosteric Barometer A4 Skyhawk an SBD pilot who wentThis is an authentic Holosteric Barometer made by Chelsea Clock. This Barometer pairs with the Chelsea Shipstrike Mechanical Clock (see our other listing). The Barometer has not been fully tested for accuracy. Measures 5 3 8 inches diameter and 3 3 8 inches deep.