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File:Orchis lactea rhizotubers.jpg

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Orchis_lactea_rhizotubers.jpg (448 × 334 pixels, file size: 45 KB, MIME type: image/jpeg)

Summary

Description
Italiano: Preparato botanico di Orchis lactea Poiret, raccolta in Sardegna il 17 Marzo 2007. In evidenza le ridotte dimensioni, comparate ad una moneta da un euro, e le due tuberosità tipiche del genere Orchis.
Fotografia di Laura Morelli ceduta al pubblico dominio dall'autrice.
English: Botanical preparation of Orchis lactea Poiret, collected in Sardinia on March 17, 2007. The small size, compared to a one-Euro coin, and the two tuberoids typical of the Orchis genus are highlighted.
Photograph by Laura Morelli ceded to the public domain by the author.
Date 19 April 2007 (original upload date)
Source Originally from it.wikipedia; description page is/was here.
Author Original uploader was Corneliae at it.wikipedia
Permission
(Reusing this file)		 Released into the public domain (by the author).


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

This work has been released into the public domain by its author, Corneliae, at the English Wikipedia project. This applies worldwide.

In case this is not legally possible:
Corneliae grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

Original upload log

(All user names refer to it.wikipedia)

  • 2007-04-19 15:47 Corneliae 448×334×8 (45691 bytes) Preparato botanico di Orchis lactea Poiret, raccolta in Sardegna il 17 Marzo 2007. In evidenza le ridotte dimensioni, comparate ad una moneta da un euro, e le due tuberosità tipiche del genere Orchis. Fotografia di Laura Morelli ceduta al pubblico domini

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0.00555 second

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27.85 millimetre

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Date/TimeThumbnailDimensionsUserComment
current18:54, 16 September 2007Thumbnail for version as of 18:54, 16 September 2007448 × 334 (45 KB)Aelwyn{{Information |Description=Preparato botanico di Orchis lactea Poiret, raccolta in Sardegna il 17 Marzo 2007. In evidenza le ridotte dimensioni, comparate ad una moneta da un euro, e le due tuberosità tipiche del genere Orchis. Fotografia di Laura Morell

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