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Books by Publisher: RLT Industries, Inc.

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2 books found
The Big Book of Catapult and Trebuchet Plans!
The Big Book of Catapult and Trebuchet Plans!
By: Ron L. Toms
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Catapult Design, Construction and Competition with the Projectile Throwing Engines of the Ancients
Catapult Design, Construction and Competition with the Proj…
By: Bernard F. Barcio, Ralph Payne-Gallwey
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