Leptotyphlops_carlae.jpg (400 × 352 pixels, file size: 25 KB, MIME type: image/jpeg)

Description
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Polski:
Date
Source [1] author asked for not including the hig-res version of image and small-size pic, namely 150px
Author Blair Hedges, Pennsylvania State University [2]
Permission
(Reusing this file)
© The copyright holder of this file, Blair Hedges, Penn State, allows anyone to use it for any purpose, provided that the copyright holder is properly attributed. Redistribution, derivative work, commercial use, and all other use is permitted.
Attribution:
Blair Hedges, Penn State
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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Captions

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Items portrayed in this file

depicts

Tetracheilostoma carlae

copyright license

attribution only license

Wikimedia VRTS ticket number

2008080410056476

File history

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Date/TimeThumbnailDimensionsUserComment
current21:21, 21 May 2013Thumbnail for version as of 21:21, 21 May 2013400 × 352 (25 KB)VelatrixReverted to version as of 10:32, 7 January 2009
11:03, 7 January 2009Thumbnail for version as of 11:03, 7 January 2009150 × 132 (6 KB)MasurReverted to version as of 14:25, 15 August 2008
10:32, 7 January 2009Thumbnail for version as of 10:32, 7 January 2009400 × 352 (25 KB)Crusier{{Information |Description={{en|1=*Photo of Leptotyphlops carlae on a US quarter. }} {{pl|1=*Fotografia Leptotyphlops carlae na amerykańskiej ćwierćdolarówce.}} |Source=[http://www.eurekalert.o
14:25, 15 August 2008Thumbnail for version as of 14:25, 15 August 2008150 × 132 (6 KB)Filip em{{Information |Description= |Source= |Date= |Author= |Permission= |other_versions= }}

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Allikas: http://en.wikipedia.org/wiki/File:Leptotyphlops_carlae.jpg
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