Image: Lever (PSF)

Title: Lever (PSF)
Credit: Archives of Pearson Scott Foresman, donated to the Wikimedia Foundation → This file has been extracted from another file: PSF L-530004.png
Author: Pearson Scott Foresman
Permission: This work has been released into the public domain by its author, Pearson Scott Foresman. This applies worldwide. In some countries this may not be legally possible; if so: Pearson Scott Foresman grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.   This work is free and may be used by anyone for any purpose. If you wish to use this content, you do not need to request permission as long as you follow any licensing requirements mentioned on this page. Wikimedia has received an e-mail confirming that the copyright holder has approved publication under the terms mentioned on this page. This correspondence has been reviewed by an OTRS member and stored in our permission archive. The correspondence is available to trusted volunteers as ticket #2010061110041093. If you have questions about the archived correspondence, please use the OTRS noticeboard. Ticket link: https://ticket.wikimedia.org/otrs/index.pl?Action=AgentTicketZoom&TicketNumber=2010061110041093
Usage Terms: Public domain
License: Public domain
Attribution Required?: No