第 R61027 號 (☆)
昭和 年 月
㍿ 横河電機製作所
Serial No. R61027 (Army stamp)
Production date (looks blank)
Manufacturer Yokogawa Electric Co. Ltd.
N.538 on the right-bottom looks a serial model number of Yokogawa.
This gauge looks like the Type 96 compass.
A rare find.
Manufactuers: Tokyo Koku Keiki, Yokogawa Electric
Applied airframes: Small planes like Type 97 fighter, Type 95 trainer of early, mid-period
Remark: Manufactured circa 1937
View attachment 721753
Source:
http://sv06.wadax.ne.jp/~gunsight-jp/b/hunatu02.htm