Three bolt equipment
Three bolt equipment, (Tryokhboltovoye snaryazheniye, Russian:Трехболтовое снаряжение, Russian:трехболтовка) is a type of standard diving dress which was used by the Russian Navy in the 19th and 20th centuries. This standard diving dress consists of an air-supplied copper helmet that is fastened to a waterproof suit by three bolts, together with the diving suit itself, two 16 kg lead weights attached to the chest and back, and heavy boots made of copper and lead.
Components
- Air hose
- Diving suit
- Diving helmet – helmet made of copper and brass
- 2x16 kg lead weights, on chest and back
- Diving boots – heavy boots, made of lead and copper
- Diver's knife
Gallery
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Copper and brass three bolt Russian helmet of the standard diving dress
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"П3" three cylinder diver's pump, made in 1977. (USSR)
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Diver's knife
External links
- An Underwater Equipment – in Russian
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