Full-resolution TIFF-format scans of 16 phonautograms made by Thomas Edison in 1878 for the New York Metropolitan Elevated Railroad are now available online at npgallery.nps.gov. Here are direct links to the album containing the 16 digital images: Simple view: https://npgallery.nps.gov/SearchResults/albumid/60ab4513-1f24-42fb-a080-93ebcfb820ea Details view: https://npgallery.nps.gov/AssetDetail/60ab4513-1f24-42fb-a080-93ebcfb820ea?branding=NONE For more information about these documents, see websites: http://firstsounds.org/research/merr.php http://edison.rutgers.edu/NamesSearch/glocpage.php?gloc=NM015& -Jerry Fabris, Museum Curator, Thomas Edison National Historical Park