DescriptionPaddle wheel (PSF).png Line art drawing of paddle wheel. Source Archives of Pearson Scott Foresman, donated to the Wikimedia Foundation Author...
license: This image is a derivative work of the following images: File:Paddle_wheel_(PSF).png licensed with PD-ScottForesman 2008-04-01T21:24:39Z PatríciaR 3664x2112...
DescriptionStern-Wheeler (PSF).png Drawing of a Stern-Wheeler ship. Source Archives of Pearson Scott Foresman, donated to the Wikimedia Foundation Author...
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