Image:Phlegm.jpg

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[edit] Summary

Took the photo myself today. Yes, that came out of my lungs. Placed beside a quarter for scale.

[edit] Licensing

I, the copyright holder of this work, hereby grant the permission 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.

This image has currency in it to indicate scale. The coin depicted has a diameter of 24 millimetres (0.94 in) .

Using objects such as coins for scale is discouraged, as they 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 are particularly bad as they can reinforce a geographical bias, and some coins' designs are not free content.

If possible, upload a photograph of the subject using ruler for scale (example) or add a scale marking via an image editor instead (example). SI/metric units are the most commonly used worldwide (see metre, 1 E-2 m).

Common coin diameters for reference:
U.S. dollar: 1¢: 19 mm, 0.75 in; 5¢: 21 mm, 0.84 in; 10¢: 18 mm, 0.71 in; 25¢: 24 mm, 0.96 in; 50¢: 31 mm, 1.21 in; $1: 26.5 mm, 1.04 in.	Canadian dollar: 1¢: 19 mm, 0.75 in; 5¢: 21 mm, 0.83 in; 10¢: 18 mm, 0.71 in; 25¢: 24 mm, 0.94 in; 50¢: 27 mm, 1.07 in; $1: 26.5 mm, 1.04 in; $2: 28 mm, 1.10 in.	Pound sterling: 1p: 20.32 mm, 0.80 in; 2p: 25.91 mm, 1.02 in; 5p: 18.00 mm, 0.71 in; 10p: 24.50 mm, 0.96 in; 20p: 21.40 mm, 0.84 in; 50p: 27.30 mm, 1.07 in; £1: 22.50 mm, 0.89 in; £2: 28.40 mm, 1.12 in.	Euro: 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.

File history

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	Date/Time	Dimensions	User	Comment
current	18:22, 3 January 2008	870×436 (60 KB)	BradBeattie (Talk \| contribs)	(Took the photo myself today. Yes, that came out of my lungs. Placed beside a quarter for scale.)