File:Pocketwatch movement.png
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Pocketwatch_movement.png (784 × 257 pixels, file size: 31 KB, MIME type: image/png)
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[edit]DescriptionPocketwatch movement.png |
English: Drawing of an antique pocket watch movement, from an 1891 encyclopedia. This type of movement, with a verge escapement and a fusee was used in watches from around 1600 to the early 1800s. Labelled parts, from accompanying text: (a) mainspring barrel, (b) fusee, (c) center (hour) wheel, (c') center wheel pinion, (d) third wheel, (e) fourth or contrate wheel, (f) crown wheel, (h) balance wheel (the pallets are also labelled h), (i) minute hand, (j) hour hand, (k,l) cannon pinion, (m) minute wheel pinion, (n) minute wheel, (v) verge. Alterations to image: removed figure number, and converted to 32 greyscale PNG. |
Date | |
Source | Downloaded June 28, 2008 from Park Benjamn, ed. (1891) Appleton's Cyclopedia of Applied Mechanics, Volume 2, D. Appleton & Co., New York, USA, p.903, fig.4217 on Google Books |
Author | Park Benjamin |
Permission (Reusing this file) |
Public domain - Park Benjamin died in 1922 |
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This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer. You must also include a United States public domain tag to indicate why this work is in the public domain in the United States. Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Jamaica has 95 years, Colombia has 80 years, and Guatemala and Samoa have 75 years. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term. Honduras has a general copyright term of 75 years, but it does implement the rule of the shorter term. Copyright may extend on works created by French who died for France in World War II (more information), Russians who served in the Eastern Front of World War II (known as the Great Patriotic War in Russia) and posthumously rehabilitated victims of Soviet repressions (more information).
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This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. |
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 10:47, 29 June 2008 | 784 × 257 (31 KB) | Chetvorno (talk | contribs) | {{Information |Description={{en|1=Drawing of a verge fusee Wikipedia:pocket watch movement, from an 1891 encyclopedia. }} |Source=Downloaded June 28, 2008 from [[http://books.google.com/books?id=jEUOAAAAYAAJ&pg=PA903 Park Benjamn, ed. (1891) ''App |
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