File:Sandpapering a motor commutator (Electrical Machinery, 1917).jpg

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

Sandpapering_a_motor_commutator_(Electrical_Machinery,_1917).jpg (355 × 354 pixels, file size: 38 KB, MIME type: image/jpeg)

Captions

Captions

Add a one-line explanation of what this file represents
Description See other images from this source in 'Electrical Machinery'
Date
Source Croft, Terrell (1917) Electrical Machinery, McGraw-Hill
Author Terrell Croft (orginal book author)
Permission
(Reusing this file)
Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Sandpapering_a_motor_commutator_(Electrical_Machinery,_1917).jpg

File history

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

Date/TimeThumbnailDimensionsUserComment
current13:44, 30 April 2010Thumbnail for version as of 13:44, 30 April 2010355 × 354 (38 KB)Andy Dingley (talk | contribs){{Scans from 'Electrical Machinery', 1917 |figure= |page= |title= }}

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:Sandpapering_a_motor_commutator_(Electrical_Machinery,_1917).jpg&oldid=341178809"