Schermuly Pistol Rocket Apparatus (SPRA)

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https://www.sar-shop.de/Rettungsleinenpistole-Schermuly-Pistol-Rocket-Apparatus-SPRA-Kal-mit-Trage-bzw-Haltegriff

https://landandseacollection.com/id1479.html

BRIEF HISTORY: The Schermuly founder was William Schermuly
1857-1929. He was one of the fathers of modern rocketry. Although William started the business and developed many ideas,
it was his third son Alfred James Schermuly, the actual family pyrotechnist, who invented and put into production this
particular Line gun. Produced during the 1920’s and highly successful for the throwing of line from shore to ship, or ship
to ship. The Schermuly system saved countless lives at sea. The example offered is a classic of this type of line throwing
gun. It is of brass, and steel construction with walnut grips. SPRA is an acronym for Schermuly’s Pistol Rocket
Apparatus. The photo at left is from the Schermuly catalog.