Plate from 18th century encyclopedia showing illustrations of various pneumatic devices. The main illustration shows a 'wind-gun',or in modern parlance,an airgun a device that uses air pressure rather than gunpwder to propel a projectile. The bottom illustrations show the mechanism of a windmill | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Parker, David |
Bildgröße: | 4345 px × 7154 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |