Bibliography
Jason Hoisington
Phys 212
3/21/05
http://www.newton.mec.edu/Brown/TE/CATAPULTS/Catapult_history.html
http://www.howstuffworks.com/
http://www.redstoneprojects.com/trebuchetstore/trebuchet_history.html
http://www.dl.ket.org/latin1/gallery/military/ballista.htm
http://www.dl.ket.org/latin1/gallery/military/ballista.htm
http://www.algobeautytreb.com/
Serway, Raymond, and Jewett, John.
Physics for Scientists and Engineers
. Belmont: Brooks/Cole, 2004.
Macaulay, David.
The Way Things Work.
Boston: Houghton Mifflin Company, 1988
Main Page
Ballista
History
Design
Physics
Mangonel
History
Design
Physics
Trebuchet
History
Design
Physics
Bibliography