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
Summary
Public domain photograph of New York in 1930s, free to use, no copyright restrictions image - Picryl description
Tags
Date
01/01/1941
Contributors
Hollem, Howard R., photographer
Palmer, Alfred T., photographer
United States. Office for Emergency Management.
Location
Source
Library of Congress
Copyright info
Public Domain