Thomas Edison National Historical Park
Digital scans of unbound phonautograms (16 total) from Thomas Edison's Menlo Park, New Jersey Laboratory Notes #62 (NPS catalog # EDIS-30101). For more information about these documents, see websites: <http://firstsounds.org/research/merr.php> and <http://edison.rutgers.edu/sn01.htm#ns-d>.
16 items. Showing page 1 of 1, items 1 through 16