Url https://edisondigital.rutgers.edu/document/NB232000 Resource class dctype:Text Title [NB232000] Technical Note, April 1917 Creator Dawson, Edward Rowland Subject Military Sound and acoustics Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1917-04-00 Type Technical Note Identifier NB232000 Source 239:902 Relation Kellow, Richard Wesley Edison, Thomas Alva Meadowcroft, William Henry Rights Thomas Edison National Historical Park Has Version https://archive.org/details/edisonmicrofilm239/page/n913/mode/1up Archive.org Viewer, Microfilm Series Reel 239 Is Part Of NB232-F Uri https://edisondigital.rutgers.edu/document/NB232000 https://edisondigital.rutgers.edu/document/NB232000 --