San Francisco : Architect and Engineer, Inc · leaf 525
for the Institute.The Structural Clay Products ResearchFoundation was formed in January, 1950,and has invested more than a million anda half dollars in efforts to lower the costand improve the quality of structures builtof brick and tile products. Last year theindustry approved formation of a… … Screen, closet and other heavier door>are kept firmly closed even if warped oisagging by the unprecedented 10 lb. holding force, which is 320 times the perma-nent magnets Yz ounce weight, a faigreater efficiency ratio than ever beforeattained. Design is compact, measuring only 2!/8|L by 1/2 H…
Architecture · Building
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