Url https://edisondigital.rutgers.edu/document/CJ620AEJ Resource class dctype:Text Title [CJ620AEJ], Letter from Frank Lewis Dyer to Walter Seeley Mallory, December 19th, 1911 Creator Dyer, Frank Lewis Subject Patent and legal counsel Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1911-12-19 Type Letter Identifier CJ620AEJ Source 204:353 Relation North American Portland Cement Co Edison, Thomas Alva Rights Thomas Edison National Historical Park Date Created 1911-12-19 Has Version https://archive.org/details/edisonmicrofilm204/page/n362/mode/1up Archive.org Viewer, Microfilm Series Reel 204 Is Part Of CJ620-F Recipient Mallory, Walter Seeley Uri https://edisondigital.rutgers.edu/document/CJ620AEJ https://edisondigital.rutgers.edu/document/CJ620AEJ --