Url https://edisondigital.rutgers.edu/document/CJ617ADK Resource class dctype:Text Title [CJ617ADK], Letter from Herman E Kiefer to Thomas Alva Edison, October 6th, 1909 Creator Kiefer, Herman E Subject Rolls and crushers Cement Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1909-10-06 Type Letter Identifier CJ617ADK Source 203:689 Relation Mason, William Horatio Rights Thomas Edison National Historical Park Date Created 1909-10-06 Has Version https://archive.org/details/edisonmicrofilm203/page/n699/mode/1up Archive.org Viewer, Microfilm Series Reel 203 Is Part Of CJ617-F Recipient Edison, Thomas Alva Uri https://edisondigital.rutgers.edu/document/CJ617ADK https://edisondigital.rutgers.edu/document/CJ617ADK --