Diving Helmet

Production date
Pre 1939
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Object detail

Kim Diving Helmet, c. pre 1939 (Korea)
12 bolt, 3 light (window). Standard dress diving helmet 'Admiralty Pattern'.
MARITIME TECHNOLOGY Diving Diver's helmet
Production date
Pre 1939
Production place
Height 398mm (measured from base of corselet to highest point on bonnet)
Width 416mm (measured between two widest points of of the bonnet and corselet included)
Depth 468mm (measured between the most forward projection of the bonnet/corselet and the furtherest rear projection of the bonnet/corselet)
Manufacturer's name plaque (centre front of corselet):
History and use
This helmet is in the Siebe Gorman standard dress style (Admiralty Pattern). The centre front light (window) does not have a grill cover. There are two (2) side lights (windows) with grill covers. This helmet has four (4) weight lugs, two (2) each on the front and back of the corselet.

Although stylistically similar, this helmet was built for the harsh Korean marine fisheries and is without features such as spitcock or telecommunications. The bonnet is typically soldered at the crown with two seams front and back, this is a cheaper method of construction, melding parts together rather than hand beating a sheet of copper over a mold. This particular helmet show signs of repair on the crown and has been fitted with a rope lanyard.

Siebe Gorman designed the first successful diving helmet (used in the excavation of the ship Royal George off Portsmouth, England) in c. 1840. The Siebe helmet and fittings design proved to be so reliable that Siebe’s ‘standard diving dress’ became the British Admiralty’s benchmark for all diving equipment.

During and after the WWII period this model sometimes bears the 'Bo On' label; the Chinese company Bo On, who only sold diving equipment but did not produce it. They put their name tags on Korean Helmets that they sold on.
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