Illinois Society of Architects · Chicago · leaf 103
d evenwith the screws removed are fixed and immovable. The heavycast frame covers and protects the knob spindle, which must inturn be destroyed before the hardened steel key spindle is reached.The lip and box on the strike make it impossible to tamper withthe latch. The knobs are very strong. The… … STEAM PUMPS FOR BOILER FEED ELEVATOR SERVICE WATER WORKS. FRANKLIN AND MONROE, STS., GASOLINE ENGINES. STEAM ENGINES, BOILERS.CHICAGO. 102 The thickness of enclosing walls of buildings of this class shall be made in accord-ance with the following table, to-wit: S 5 X STORIES. X il ^5 ■* ■5 o iX 00…
Architecture · Building · Architects
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