Heavy brass cylindrical body on spring mounted base for stable operation in turbulent air, designed for use in heavy bomber or transport aircraft. Floating dial appears functional. Has application for illumination, specification label on side in Japanese characters. Glass lens is very good. No damage or abuse. ​We are happy to offer in-house shipping for all but very large or very fragile items. Some international orders may need to be handled by a third party shipper. Handling and materials fees begin at $7 per box for items under 12 inches. Larger and or more valuable items and those that warrant double boxing will have higher material costs.

Good to very good condition.