[NS7802F], Technical Note, Thomas Alva Edison, John Kruesi, Charles Batchelor, Martin N Force, George E Carman, June 21st, 1878
https://edisondigital.rutgers.edu/document/NS7802F
PDF: Archive.org
CSV: Metadata
Metadata
- Title
- [NS7802F], Technical Note, Thomas Alva Edison, John Kruesi, Charles Batchelor, Martin N Force, George E Carman, June 21st, 1878
- Editor's Notes
- valve for aerophone -- more formal -- followed by sketch for use as fog signal using explosive gas in chamber -- followed by aurophone horn designs -- followed by microphone design -- followed by auriphone (megaphone or rather auriphone)
- Date
- 1878-06-21
- Type
- Technical Note
- Folder ID
- NS7802-F
- Microfilm ID
- 7:757
- Document ID
- NS7802F
- Publisher
- Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
- Has Version
- Archive.org Viewer, Microfilm Series Reel 7
- Item sets
- [NS7802-F] (NS-78-002) Acoustic Devices