Animal trap patent,1882. Artwork of a device designed by J.A. Williams to kill vermin. Food bait is placed onto a spring-loaded lever. When the animal presses onto the bait,it fires the loaded pistol | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / US Patent And Trademark Office |
Taille de l’image : | 3639 px × 2440 px |
Model Release : | Non requis |
Restrictions : | - |