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Concrete Wall Mold.
Patent for "a concrete wall mold which is so constructed as to produce a very strong wall having vertically extended channels which form ribs materially reinforcing the structure" (lines 10-14)
Date:
June 11, 1920
Creator:
Porter, Charles S.
Object Type:
Patent
System:
The Portal to Texas History
Tests of Large Columns with H-Shaped Sections
Report issued by the Bureau of Standards over studies conducted on h-shaped columns. Physical and chemical tests were conducted on different types of columns. The results are presented and discussed. This report includes tables, illustrations, and photographs.
Date:
June 11, 1926
Creator:
Tuckerman, L. B. & Stang, A. H.
Object Type:
Report
System:
The UNT Digital Library