Steel hulking paleo-riot-shield

In Sept, 1956, Mechanix Illustrated featured these hulking steel shields meant to be deployed to Detroit's riot squad:

WHEELED SHIELD (below) for Detroit cops protects men in blue against rioters and gunmen. Police fire through the portholes.

FLATFOOT VERSION of 65-lb. armored plate protector has spotlight on top, leggings. Portholes are made of bulletproof glass.