File:Close-up of a Clifton nanolitre osmometer sample holder.jpg

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Description
English: A closeup of the Clifton nanoliter osmometer sample holder (square with holes), covered by a glass coverslip and mounted on the Clifton nanoliter osmometer stage.
Date 2 March 2006 (original upload date)
Source Transferred from en.wikipedia to Commons by Jacopo Werther.
Author Pcziko at English Wikipedia
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 2002:
    • 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 edit

Pcziko at the English-language Wikipedia, the copyright holder of this work, hereby publishes it under the following license:
w:en:Creative Commons
attribution share alike
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Attribution: Pcziko at the English-language Wikipedia
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This licensing tag was added to this file as part of the GFDL licensing update.
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. Subject to disclaimers.

Original upload log edit

The original description page was here. All following user names refer to en.wikipedia.
  • 2006-03-02 06:17 Pcziko 2048×1536× (679251 bytes) A closeup of the Clifton nanoliter osmometer sample holder (square with holes), covered by a glass coverslip and mounted on the Clifton nanoliter osmometer stage.

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current10:50, 15 February 2012Thumbnail for version as of 10:50, 15 February 20122,048 × 1,536 (663 KB)Jacopo Werther (talk | contribs){{Information |Description={{en|A closeup of the Clifton nanoliter osmometer sample holder (square with holes), covered by a glass coverslip and mounted on the Clifton nanoliter osmometer stage.}} |Source=Transferred from [http://en.wikipedia.org en.wikip

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