Fort Jackson, SC 1941. Signal Corps Temporary Pole Using IN-56-style Insulators.
By Joe Maurath, Jr.; posted October 20, 2019
View Original: Click to zoom, then click to magnify (459 x 439) 392KB
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View of pole once into position. A hinge at each end of the three poles lifted the crossarm into position. Click "Previous" for a close view of the crossarm and the hinges that supported it. |