WWI Leach trench catapult designed by the British to throw 2 lb. (0.91 kg) projectiles into enemy trenches.
Previously:
Dog-operated catapult - GIF
Lebel Model 1886 trench rifle - photo
WWI fake iron trees used as observation posts - photos
Carrier pigeon released from tank in WWI - photo
WWI Springfield periscope trench rifle - photo
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