Diver's pump

Diver's pump
	Three cylinder rotary diver's pump "П3" (flywheels removed), manufactured in USSR in 1977.
Other names	Diving air pump
Uses	Supply of breathing air to a copper helmet diver

A diver's pump is a manually operated low pressure air compressor used to provide divers in standard diving dress with air while they are underwater.^[1]^[2]

^ Davis, RH (1955). Deep Diving and Submarine Operations (6th ed.). Tolworth, Surbiton, Surrey: Siebe Gorman & Company Ltd. p. 693.
^ Stillson, GD (1915). "Report in Deep Diving Tests". US Bureau of Construction and Repair, Navy Department. Technical Report. Archived from the original on July 7, 2012. Retrieved 2008-09-12.{{cite journal}}: CS1 maint: unfit URL (link)

[davis-1] Davis, RH (1955). Deep Diving and Submarine Operations (6th ed.). Tolworth, Surbiton, Surrey: Siebe Gorman & Company Ltd. p. 693.

[stillson-2] Stillson, GD (1915). "Report in Deep Diving Tests". US Bureau of Construction and Repair, Navy Department. Technical Report. Archived from the original on July 7, 2012. Retrieved 2008-09-12.{{cite journal}}: CS1 maint: unfit URL (link)

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