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Civilian defense. A police emergency worker shows how Warsop asoline rockbreaker works. The two-cycled engine delivers 2300 blows per minute, and can be used to break through walls to release trapped persons. The demonstration was at the civilian defense show at Madison Square Garden, New York
Public domain

Civilian defense. A police emergency worker shows how Warsop asoline rockbreaker works. The two-cycled engine delivers 2300 blows per minute, and can be used to break through walls to release trapped persons. The demonstration was at the civilian defense show at Madison Square Garden, New York

United States. Office For Emergency Management, Hollem, Howard R., Palmer, Alfred T. · 1941-01-01 · photo, print, drawing

From the collection of Library of Congress. Free to download, adapt and use — no permission needed.

Subjects
safety film negativesnew yorknew york (state)united states
Credit lineCivilian defense. A police emergency worker shows how Warsop asoline rockbreaker works. The two-cycled engine delivers 2300 blows per minute, and can be used to break through walls to release trapped . 1941-01-01. United States. Office For Emergency Management, Hollem, Howard R., Palmer, Alfred T.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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