Album: Phonautograms made by Thomas Edison for the New York Metropolitan Elevated Railroad in 1878.

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>.