Url https://edisondigital.rutgers.edu/document/D7906ZCF Resource class dctype:Text Title [D7906ZCF], Letter from Philadelphia Public Ledger, Joel Cook to Thomas Alva Edison, December 31st, 1879 Creator Philadelphia Public Ledger Cook, Joel Subject Electric light and power Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1879-12-31 Type Letter Identifier D7906ZCF Source 49:757 Relation London Times Rights Thomas Edison National Historical Park Date Created 1879-12-31 Has Version https://archive.org/details/edisonmicrofilm49/page/n765/mode/1up Archive.org Viewer, Microfilm Series Reel 49 Is Part Of D7906-F Recipient Edison, Thomas Alva Uri https://edisondigital.rutgers.edu/document/D7906ZCF https://edisondigital.rutgers.edu/document/D7906ZCF --