Illinois Society of Architects · Chicago · leaf 358
The Gem Locktite Boxes area development of the GemSectional Boxes for use singlyor in gangs. In place of made-on - the - job supports—theseboxes are furnished with twosteel bars for quick installa-tion and secure mounting. Union RenewableFuses are the sim-plest and most readilyrenewable fuses onthe…
Architecture · Building · Architects
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