Chelsea Holosteric Barometer A4 Skyhawk This indicator was used in

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

While the content is the same

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

and tighten (B)

The cabinet design appears to be repurposed from that used by the Fl22861 Altitude Recorder/Barograph

Chelsea Holosteric Barometer A4 Skyhawk This indicator was used inThis 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.