Url https://edisondigital.rutgers.edu/document/E1421CS Resource class dctype:Text Title [E1421CS], Letter from Process Engineering Co to Thomas Alva Edison, September 7th, 1914 Creator Process Engineering Co Subject Chemicals, chemical products, and chemical processes Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1914-09-07 Type Letter Identifier E1421CS Source 257:700 Relation Kammerhoff, Heinrich H Meno Rights Thomas Edison National Historical Park Date Created 1914-09-07 Has Version https://archive.org/details/edisonmicrofilm257/page/n711/mode/1up Archive.org Viewer, Microfilm Series Reel 257 Is Part Of E1421-F Recipient Edison, Thomas Alva Uri https://edisondigital.rutgers.edu/document/E1421CS https://edisondigital.rutgers.edu/document/E1421CS --