Items

Items

• 

  [X511A], Report from Cass Gilbert, American Concrete Institute, Richard Lewis Humphrey, Egbert Jessup Moore, William H Ham, August 1915

  1915-08-00
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  [X511B], Report from Rudolph James Wig, August 1915

  1915-08-00
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  [X511C], Report from Theodore Lincoln Condron, August 1915

  1915-08-00
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  [X511D], Report from Nathan Clarke Johnson, August 1915

  1915-08-00
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  [X511E], Report from Emile George Perrot, Edward Dayton Boyer, Arthur Newell Talbot, Nathan Clarke Johnson, Richard Lewis Humphrey, Theodore Lincoln Condron, August 1915

  1915-08-00