Url https://edisondigital.rutgers.edu/document/E1768AD Resource class dctype:Text Title [E1768AD], Letter from William Henry Meadowcroft to William Horatio Mason, October 1st, 1917 Creator Meadowcroft, William Henry Subject Patent application Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1917-10-01 Type Letter Identifier E1768AD Source 269:142 Relation U.S. Patent Office Edison, Thomas Alva Elias, Nathan M Rights Thomas Edison National Historical Park Date Created 1917-10-01 Has Version https://archive.org/details/edisonmicrofilm269/page/n152/mode/1up Archive.org Viewer, Microfilm Series Reel 269 Is Part Of E1768-F Recipient Mason, William Horatio Uri https://edisondigital.rutgers.edu/document/E1768AD https://edisondigital.rutgers.edu/document/E1768AD --