Voltmeter, 1500V, WWII Japanese Aircraft Constellation which is designated by a

which is designated by a vertical dash on this one and by a small aircraft silhouette on the I-65)

dated 1954

but the glass and face markings are intact

local magnetic variation can be set in at the master indicator so that all indications will be in relation to true north

preservation packaging measuring 4

Voltmeter, 1500V, WWII Japanese Aircraft Constellation which is designated by aThis is a Japanese Voltmeter, 1500V. It is presumed to be a WWII era indicator used in aircraft of the Japanese Army or Navy. This has not been verified. Aircraft that may have used this have not yet been identified. It is in good condition given its age. Measures 2. 5 inches diameter and ~1. 5 inches deep. The glass and case are intact and the lettering is distinct.