File:Double Barlow wheel 1845.jpg

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

Original file (1,748 × 1,053 pixels, file size: 421 KB, MIME type: image/jpeg)

Captions

Captions

An antique scientific device called a double Barlow's wheel

Summary

[edit]
Description
English: A Barlow wheel, an early experiment demonstrating the principle of a homopolar electric motor, invented by English mathematician Peter Barlow in 1822. This model consisting of two wheels in series was produced by the scientific instrument maker Watkins and Hill in 1845, for demonstrations in physics education classes, and is now on display at The Spark Museum, Bellingham, Washington state, USA. The admissions employee of the museum gave oral permission for photography.
Date
Source Own work
Author Chetvorno
Camera location48° 45′ 04.88″ N, 122° 28′ 50.79″ W  Heading=232.01882845188° Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

Licensing

[edit]
I, the copyright holder of this work, hereby publish it under the following license:
Creative Commons CC-Zero This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication.
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.

File history

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

Date/TimeThumbnailDimensionsUserComment
current09:12, 10 December 2018Thumbnail for version as of 09:12, 10 December 20181,748 × 1,053 (421 KB)Chetvorno (talk | contribs)User created page with UploadWizard

You cannot overwrite this file.

There are no pages that use this file.

File usage on other wikis

The following other wikis 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:Double_Barlow_wheel_1845.jpg&oldid=450982208"