OH-Course alarm for navigators. - Steering monitor compass unit (Serial No.KH 74 754) together with control unit. (Serial No.1305) by Kelvin Hughes Ltd. OH-Course alarm for navigators
Marconi "Seaguard" automatic alarm type 1185A, serial no. 898 Marconi "Seaguard" automatic alarm type 1185A
Wasabi gas spray system alarm, by Air Water Safety Service Inc, Japan, 2009. Still in packaging. Wasabi Gas Spray System 2009