Catalogue of Structural Steel & Iron for Architects, Engineers & Contractors (1910)
Manitoba Bridge & Iron Works · Manitoba Bridge & Iron Works · leaf 90
No. 140—Steel bar Jail Door. Round steelvertical bars 1-inch diameter horizontal bars2xf6- Frame 2xi-ia. steel. Outside framehea^> steel angle; forged hinges; heavy lock.This style of rloor can be made to fit any si?eof opening. … No. 141—Heavy lattice steel Jail ^Door-Steel bars l^x ^^-in. Open space about_4^ ins,square: 2x2xi-in. angle steel frames intowhich lattice is riveted. Forged hinges, steelarmor plate around lock as shown ; separateangle frame all around, -LLsually wider andheavier than frame to lattice work of…
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