Diving Helmet
Production date
Circa 1940
Country
Japan
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Object detail
Description
Sensuigu Yokohama 'Pearler' Diving Helmet, c.1940s (Japan)
12 bolt, 3 light (window) with square corselet based on the Heinke pattern.
12 bolt, 3 light (window) with square corselet based on the Heinke pattern.
Classification
MARITIME TECHNOLOGY Diving Diver's helmet
Production date
Circa 1940
Production place
Measurements
Height 478mm (measured from base of corselet to highest point on bonnet)
Width 384mm (measured between two widest points of of the bonnet and corselet included)
Depth 442mm (measured between the most forward projection of the bonnet/corselet and the furtherest rear projection of the bonnet/corselet)
Width 384mm (measured between two widest points of of the bonnet and corselet included)
Depth 442mm (measured between the most forward projection of the bonnet/corselet and the furtherest rear projection of the bonnet/corselet)
Media/Materials description
Brass, copper, glass
Signature/Marks
Manufacturer's name plaque (centre front of corselet):
Makers name stamped into brails:
YOKOHAMA (front left brail)
SENSUIIGU (front right brail)
KK (front right upper brail)
Makers name stamped into brails:
YOKOHAMA (front left brail)
SENSUIIGU (front right brail)
KK (front right upper brail)
History and use
Used in the pearling industry around Western Australia, and the pearling catchment area from Torres Strait through to the Gulf of Carpentaria. Known pearling companies to have used these helmets include; A. C. Gregory's pearling fleet, James Clarke's fleet and the independent Japanese hardhat (helmet) divers. Pearling helmets have the square shaped corselet, which made it easier for the diver to bend forward to pick up the shell from the sea floor. This helmet has a large front light (window) and a safety pin at the back of the bonnet. It also has 'Asian features' such as a small corselet (breastplate) and the guarded side lights (windows). Most of the tinning is still intact.
This company from Yokohama Japan was in business for over one hundred years. They used American and English ideas.
This company from Yokohama Japan was in business for over one hundred years. They used American and English ideas.
Associated person
Registration number
H3891
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