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Book dossier
by William Gurstelle
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Art of the Catapult
William Gurstelle
The crossbow
Payne-Gallwey, Ralph Sir
Break the siege
Rob Ives
Philons Belopoiika
Philo of Byzantium
Catapult
Jim Paul
Crossbow
Payne-Gallwey, Ralph Sir
The projectile-throwing engines of the ancients
Payne-Gallwey, Ralph Sir
Rubber band engineer
Lance Akiyama
The Crossbow
Payne-Gallwey, Ralph Sir