Record

Ref NoOBJ/OBJ/8/32/428
Acc No2026/9
Title‘Bosun’ oxygen failure warning device (BOC)
Date1950s/1960s
Description Of ItemSafety device (for anaesthetic machine) activated by fall in oxygen pressure to switch on a red light bulb (via battery) and a whistle (powered by nitrous oxide pressure).
Extent1 item
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