File:Edison Talking Doll cylinder - microscopic view of groove surface (38348656-155d-451f-6773-e224c64eecf8).jpg

From Wikimedia Commons, the free media repository
Jump to navigation Jump to search

Original file ‎(1,650 × 1,638 pixels, file size: 701 KB, MIME type: image/jpeg)

Captions

Captions

Add a one-line explanation of what this file represents
The categories of this image need checking. You can do so here.
  • Please remove redundant categories and try to put this image in the most specific category/categories.
  • You can remove this template by clicking here (or on the first line).


Summary[edit]

English: Edison Talking Doll cylinder - microscopic view of groove surface
Photographer
English: NPS
Title
English: Edison Talking Doll cylinder - microscopic view of groove surface
Publisher
English: U.S. National Park Service
Description
English:

Edison Talking Doll cylinder - microscopic view of groove surface

The groove surface viewed under a microscope. The groove's nearly uniform width shows Edison's early "square-cut" (or "chisel-cut") recording technique. "Twinkle, twinkle little star" ; Edison Talking Doll cylinder, metal ; National Park Service collection (EDIS 1279).

  • Keywords: edis
Depicted place
English: Thomas Edison National Historical Park
Date Taken on 1 June 2010
Accession number
38348656-155d-451f-6773-e224c64eecf8
Source
English: NPGallery
Permission
(Reusing this file)
Public domain This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information.
NPS Unit Code
InfoField
EDIS
Album(s)
InfoField
English: Photos of "Twinkle, twinkle little star (Example 1)"

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current18:37, 11 May 2024Thumbnail for version as of 18:37, 11 May 20241,650 × 1,638 (701 KB)BMacZeroBot (talk | contribs)Batch upload (Commons:Batch uploading/NPGallery)

You cannot overwrite this file.

There are no pages that use this file.

Metadata

This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.

Retrieved from "https://commons.wikimedia.org/w/index.php?title=File:Edison_Talking_Doll_cylinder_-_microscopic_view_of_groove_surface_(38348656-155d-451f-6773-e224c64eecf8).jpg&oldid=875827393"