Architectural, structural, ornamental iron and steel (1916)
Manchester Iron Works · Manchester Iron Works · leaf 17
STEEL I BEAMS, No. 150, AND CHANNELS, No. 151 carried in stock and cut to any length Safe Load of Standard Steel 1 Beams in pounds, and includesweight of beam when supported at both ends, and load evenly dis-tributed; if load is concentrated at center, allow one-half the table. No. 150 … No. 151
Metals · Ornamental metals · Decorative metalwork
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