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File:Brad Call watches a trebuchet in action (16561923063).jpg

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Description Brad Call, a design chief with the U.S. Army Corps of Engineers Sacramento District, watches a student-made type of catapult called a trebuchet at Folsom High School's Eighth Annual Engineering Challenge April 17, 2015, in Folsom, California. Student projects included: hovercrafts, catapults, Tesla coils, electromagnetic propulsion devices, pneumatic wind turbines, hydrogen fuel cells, solar electric boats and cars, gene transformation, and orthopedic implants. (U.S. Army photo by Todd Plain/Released)
Date
Source Brad Call watches a trebuchet in action
Author U.S. Army Corps of Engineers Sacramento District
Camera location38° 38′ 54.18″ N, 121° 09′ 26.36″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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Public domain
This image or file is a work of a U.S. Army Corps of Engineers soldier or employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain.

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This image was originally posted to Flickr by USACE-Sacramento District at https://flickr.com/photos/52057813@N07/16561923063. It was reviewed on 12 October 2016 by FlickreviewR and was confirmed to be licensed under the terms of the United States Government Work.

12 October 2016

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current04:15, 12 October 2016Thumbnail for version as of 04:15, 12 October 20162,817 × 4,255 (6.54 MB)Vanished Account Byeznhpyxeuztibuo (talk | contribs)Transferred from Flickr via Flickr2Commons

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