Edison Laboratory recording session log (1889), Thomas Edison National Historical Park, National Park Service

National Park Photos, Thomas Edison National Historical Park

Thomas Edison National Historical Park

“Pages 18-19 of Edison Laboratory recording session log, showing June 13, 1889 note about 654 wax cylinder blanks sent to Paris, France for Theo Wangemann. From notebook EDIS 1410.”

Edison Laboratory recording session log, June 13, 1889, noting 654 wax cylinder blanks sent to Paris, France for Theo Wangemann