o:id 66816 o:resource_template Base Resource o:resource_class dctype:Text o:owner benbakelaar@gmail.com o:is_public true dcterms:title [E1579BM1], Letter from Richard Lewis Humphrey, American Concrete Institute to Walter Seeley Mallory, February 6th, 1915 dcterms:creator Humphrey, Richard Lewis American Concrete Institute dcterms:subject Property Testing and quality control Accidents, fires, explosions Cement dcterms:publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University dcterms:date 1915-02-06 dcterms:type Letter dcterms:identifier E1579BM1 dcterms:source 264:670 dcterms:relation Moore, Egbert Jessup Edison, Thomas Alva Condron, Theodore Lincoln Gilbert, Cass Ham, William H dcterms:rights Thomas Edison National Historical Park dcterms:created 1915-02-06 dcterms:hasVersion https://archive.org/details/edisonmicrofilm264/page/n680/mode/1up Archive.org Viewer, Microfilm Series Reel 264 dcterms:isPartOf E1579-F dcterms:temporal 1910-1919 bibo:recipient Mallory, Walter Seeley bibo:uri https://edisondigital.rutgers.edu/document/E1579BM1 https://edisondigital.rutgers.edu/document/E1579BM1 --