Url https://edisondigital.rutgers.edu/document/N009165 Resource class dctype:Text Title [N009165], Technical Note, Charles Batchelor, February 12th, 1879 Creator Batchelor, Charles Subject Vacuum and glass bulb Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1879-02-12 Type Technical Note Identifier N009165 Source 29:1025 Rights Thomas Edison National Historical Park Date Created 1879-02-12 Has Version https://archive.org/details/edisonmicrofilm29/page/n1034/mode/1up Archive.org Viewer, Microfilm Series Reel 29 Is Part Of N009-F Uri https://edisondigital.rutgers.edu/document/N009165 https://edisondigital.rutgers.edu/document/N009165 --