9D71280A-155D-451F-67B51938793CEA71

Edison Talking Doll cylinder, microscopic view of groove surface

Edison Talking Doll cylinder, microscopic view of groove surface

This photo shows the recorded sound groove surface as viewed under a microscope. "Twinkle, twinkle little star" ; Edison Talking Doll cylinder, brown wax ; National Park Service collection (EDIS 1263).

U.S. National Park Service

Permission must be secured from the individual copyright owners to reproduce any copyrighted materials contained within this website. Digital assets without any copyright restrictions are public domain.

National Park Service

Public domain:Full Granting Rights

Image

Thomas Edison National Historical Park, Code: EDIS

Thomas Edison National Historical Park

NPS.gov Collection

3/30/2015 12:00:00 PM

Public Can View

Tuesday, January 16, 2018 2:19:17 PM

Tuesday, January 16, 2018 2:19:17 PM

9D730BEB-155D-451F-67B3631909C81963.jpg

OLYMPUS IMAGING CORP. OLYMPUS IMAGING CORP., C70Z,C7000Z

10/10000 sec at f / 2.8

7.9 mm

ISO 80

Monday, April 6, 2015 7:00:57 PM

jpg

871.9 kB

Scenic