Nunotani Keiki Seisakusho Jis F8521-fe130Kg Electric Shaft Revolution Indicator
Nunotani Keiki Seisakusho Co., Ltd.
Electric Propeller Shaft
Revolution Indicator
Receiver
R.P.M.: Astern -100-0-100 Ahead
Jis F8521-fe130Kg 
Kg-3
Voltage: 10V
Current: 5 Ma
R.P.M: 120
No.: Ec-7010-6
K105
Weight: 2.400 Kg