Legality of Cannabis by U.S. Jurisdiction

Original file ‎(1,600 × 1,200 pixels, file size: 430 KB, MIME type: image/jpeg)

Description
English: Interior of a grand piano Intended to illustrate the concept of duplex scaling in pianos by showing the duplex string lengths in the treble range of a grand piano.
Français : Intérieur d'un piano à queue montrant le concept d'"échelle duplex", de petits sillets situés entre le chevalet la pointe d'accroche, et créant une harmonique supplémentaire pour enrichir les sons aigus.
Nederlands: Illustratie van duplex scaling, aan de diskant van een vleugel wordt een deel van de snaar benut als resonantiesnaar.
Date (see metadata)
Source English Wikipedia
Author Opus33
Permission
(Reusing this file)		 This image is hereby released into the public domain by Opus33.
This work has been released into the public domain by its author, Opus33, at the English Wikipedia project. This applies worldwide.

In case this is not legally possible:
Opus33 grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

Featured picture

Wikimedia CommonsWikipedia

This is a featured picture on Wikimedia Commons (Featured pictures) and is considered one of the finest images. See its nomination here.
 With an aspect ratio of 4:3 or 5:4, this image is suitable as a computer wallpaper (see gallery).
 This is a featured picture on the Malay language Wikipedia (Gambar pilihan) and is considered one of the finest images. See its nomination here.

If you have an image of similar quality that can be published under a suitable copyright license, be sure to upload it, tag it, and nominate it.

Captions

Add a one-line explanation of what this file represents

Items portrayed in this file

depicts

musical performance

copyright status

copyrighted, dedicated to the public domain by copyright holder

copyright license

released into the public domain by the copyright holder

Commons quality assessment

Wikimedia Commons featured picture

captured with

Nikon Coolpix 2100

inception

3 May 2004

exposure time

0.28571428571428571428 second

f-number

3.5

focal length

8.6 millimetre

ISO speed

217

instance of

photograph

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current10:17, 17 February 2005Thumbnail for version as of 10:17, 17 February 20051,600 × 1,200 (430 KB)Mbcmf217~commonswikiInterior of a grand piano<br/>Intérieur d'un piano à queue<br/>{{GFDL}}

Global file usage

The following other wikis use this file:

View more global usage of this file.

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.

If the file has been modified from its original state, some details may not fully reflect the modified file.

source: https://en.wikipedia.org/wiki/File:DuplexScaling.jpg