Diving Helmet

Production date
Circa 1957
Country
England
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Object Detail


Description
Siebe Gorman (Experimental) Mine Recovery Suit Bonnet, 1957
Extremely unusual - with single side main supply inlet and a large sealed oval centre light (window).
Classification
CH classification MARITIME TECHNOLOGY Diving Diver's helmet
Maker
Production place
Measurements
H335mm x W330mm x D350mm
Media/Materials description
copper, brass, lead solder, glass, rubber composite
Signature/Marks
Manufacturer's name plaque (upper centre front of bonnet):
SIEBE GORMAN & CO
LTD
SUBMARINE ENGINEERS
LONDON
(PATENT)
Separate plaque (directly below manufacturer's plaque):
REGISTERED
DESIGN
History and use
This helmet is particularly unusual. There is a single large fixed front light (window), no conventional air inlet and no corselet. This helmet does not appear to be a conventional divers helmet but a very special Mine Recovery Suit (MRS) bonnet. It has a genuine manufacturer's plaque.

This MRS bonnet was built by C. E. Heinke & Co. Ltd under commission from the Royal Navy in 1957 to replace the original MROs used during WWII. Only 18 were produced (Connell 2007). Its operation had a maximum depth of one hundred and twenty (120) feet (37 metres).

These types of helmets were originally designed in WWII to recover and de-activate German mines.
Associated person
Registration number
H3881

Country

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