Image:Screwpropellor.jpg

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From en:Image:Screwpropellor.JPG Detail of Bushnell's Turtle picture, showing hand-cranked screw propellors for vertical and horizontal propulsion. Selected out of original Wiki image by Gerald Zuckier.

Public domain This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration, taken or made during the course of an employee's official duties.

File history

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Date/Time Thumbnail Dimensions User Comment
current 13:37, 2 July 2005 Thumbnail for version as of 13:37, 2 July 2005 215×210 (9 KB) Pseudomoi (From en:Image:Screwpropellor.JPG Detail of [http://en.wikipedia.org/wiki/Image:Bushnell-turtle-big.jpg Bushnell's Turtle picture], showing hand-cranked screw propellors for vertical and horizontal propulsion. Selected out of original Wiki image by Ge)
The following pages on Schools Wikipedia link to this image (list may be incomplete):
Retrieved from "http://en.wikipedia.org/wiki/Image:Screwpropellor.jpg"
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