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RAF, Type G Oxygen Mask , Microphone Heater, 6D/909, Requires rewiring as insulation brittle
RAF, Type G Oxygen Mask , Microphone Heater, 6D/909, Requires rewiring as insulation brittle
AIR MINISTRY
Regular price
£20.00 GBP
Regular price
Sale price
£20.00 GBP
Quantity
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RAF, Type G Oxygen Mask , Microphone Heater, 6D/909, Requires rewiring as insulation brittle
Mask/microphone heater. Stores reference 6D/909. This was clipped on to the mask-side of the type 26 microphone within a type G mask, and designed to prevent icing over the microphone, reduce risk of freezing of the mask valves, and increase comfort when wearing the mask at very low temperatures. It is a simple resistance type of heater, rated at 4-5 watts at 24 volts, contains no switch, being turned off by separating the plug and socket. The heater is wired to a 2-pin plug ref. 5c/455. Extremely rare to find as only in use for a very short period
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