Diving Helmet
Production date
1960s
Country
Japan
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Object detail
Description
Yokohama Helium Diving Helmet, c.1964 (Japan)
12 bolt, 4 light (window).
12 bolt, 4 light (window).
Classification
MARITIME TECHNOLOGY Diving Diver's helmet
Production date
1960s
Production place
Measurements
H460mm x W380mm x D540mm
Media/Materials description
Copper, brass, Plexiglass
Signature/Marks
Manufacturer's name plaque (centre front of corselet):
Stamped with the serial number 2
The brails are also stamped
Stamped with the serial number 2
The brails are also stamped
History and use
This was the first commercial mixed gas helmet ever made. It was manufactured by the Japanese Yokohama Diving Company after 1964 for less cost than American made helmets. This helmet, although very similar to the American made Kirby-Morgan commercial air helmet manufactured 1963-1964, has various improvements. The lights (windows) are made of plexiglass and sealed with ‘O’-rings. The plexiglass eliminated the need for protective grills and thus provided better vision. The air-intake was much quieter, enabling improved communication and preventing hearing damage for the diver.
In the early 1960s Bob Kirby and Bev Morgan teamed up and started producing Kirby Morgan helmets. They got in touch with the Yokohama Diving Helmet Company in Japan and realised that the Japanese could produce their helmet in the same quality for less cost. Thus, a partnership was formed.
In the early 1960s Bob Kirby and Bev Morgan teamed up and started producing Kirby Morgan helmets. They got in touch with the Yokohama Diving Helmet Company in Japan and realised that the Japanese could produce their helmet in the same quality for less cost. Thus, a partnership was formed.
Associated person
Registration number
H3895
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