Three bolt equipment

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Three-bolt equipment with hand pump, from Naval Museum of Tallinn.
Three-bolt equipment with hand pump, from Naval Museum of Tallinn.

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.

[edit] The three bolt diving suit consists of:

[edit] Equipment

Copper and brass three bolt Russian helmet of the standard diving dress

"П3" three cylinder diver's pump, made in 1977. (USSR)

Diver's knife

16 kg weight

[edit] External links

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