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File:8mb ibm disk on key.jpg

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Original file ‎(3,264 × 2,448 pixels, file size: 900 KB, MIME type: image/jpeg)

Summary

Description An original 8 Megabyte IBM Disk on Key thumb drive. Photographed next to a Canadian 25-cent coin for scale.
Date
Source Photographed in Ottawa Canada, 19-Aug-2015. This is my thumb drive that I own.
Author Gbuchana


Ruler and coin.svg
This image has currency in it to indicate scale.

Using coins for scale is discouraged as it will require people unfamiliar with them to look up the dimensions or guess, both of which defeat the purpose of the object in the first place. Coins can also reinforce a geographical bias, and some coins' designs are copyrighted.

Ideally, a photograph should include a ruler with the subject (example) or an added scale marking. SI ("metric") units are the most commonly used worldwide (see meter and centimeter).

Images with coins to indicate scale

Common coin diameters for reference:

  • U.S. dollar (as of?):
    • 1¢: 19.05 mm, 0.75 in
    • 5¢: 21.21 mm, 0.84 in
    • 10¢: 17.91 mm, 0.71 in
    • 25¢: 24.26 mm, 0.94 in
    • 50¢: 30.61 mm, 1.22 in
    • $1: 26.5 mm, 1.02 in
  • Canadian dollar (as of?):
    • 1¢: 19.05 mm, 0.75 in
    • 5¢: 21.2 mm, 0.83 in
    • 10¢: 18.03 mm, 0.71 in
    • 25¢: 23.88 mm, 0.94 in
    • 50¢: 27.13 mm, 1.07 in
    • $1: 26.5 mm, 1.02 in
    • $2: 28 mm, 1.1 in
  • Pound sterling as of 2021:
    • 1p: 20.32 mm, 0.8 in
    • 2p: 25.91 mm, 1.02 in
    • 5p: 18 mm, 0.71 in
    • 10p: 24.5 mm, 0.96 in
    • 20p: 21.4 mm, 0.84 in
    • 50p: 27.3 mm, 1.07 in
    • £1: 23.03–23.43 mm, 0.91–0.92 in
    • £2: 28.4 mm, 1.12 in
  • Euro (as of?):
    • 1c: 16.25 mm, 0.64 in
    • 2c: 18.75 mm, 0.74 in
    • 5c: 21.25 mm, 0.84 in
    • 10c: 19.75 mm, 0.78 in
    • 20c: 22.25 mm, 0.88 in
    • 50c: 24.25 mm, 0.95 in
    • €1: 23.25 mm, 0.92 in
    • €2: 25.75 mm, 1.01 in

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Licensing

Gbuchana at English Wikipedia, the copyright holder of this work, hereby publishes it under the following licenses:
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
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Attribution: Gbuchana at English Wikipedia
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Original upload log

The original description page was here. All following user names refer to en.wikipedia.
Date/Time Dimensions User Comment
2015-08-19 20:30:42 3264× 2448× Gbuchana Uploading a self-made file using [[Wikipedia:File_Upload_Wizard|File Upload Wizard]]

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inception

19 August 2015

File history

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Date/TimeThumbnailDimensionsUserComment
current22:10, 9 December 2020Thumbnail for version as of 22:10, 9 December 20203,264 × 2,448 (900 KB)ThisIsNotABetterbackground
21:50, 9 December 2020Thumbnail for version as of 21:50, 9 December 20203,264 × 2,448 (1,015 KB)ThisIsNotABettervignette
07:38, 29 June 2016Thumbnail for version as of 07:38, 29 June 20163,264 × 2,448 (1.99 MB)FastilyCloneTransferred from en.wikipedia (MTC!)
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