Stephen Hales pneumatique du creux, 1727

• Contributeur: Science History Images / Alamy Banque D'Images
• ID de l’image: HRKN3M
• Taille du fichier: 45,7 MB (5 MB Téléchargement compressé)
• Autorisations: Modèle - non | Propriété - non
• Dimensions: 4294 x 3721 px | 36,4 x 31,5 cm | 14,3 x 12,4 inches | 300dpi
• Photographe: Photo Researchers

Informations supplémentaires

Cette image peut avoir des imperfections car il s’agit d’une image historique ou de reportage.

An illustration of a pneumatic trough, used by chemists to collect gases and invented by Stephen Hales (1677-1761). Hales, was an English clergyman who made major contributions to a range of scientific fields including botany, pneumatic chemistry and physiology. He was the first person to measure blood pressure and invented several devices apart from the pneumatic trough, including a ventilator and a surgical forceps for the removal of bladder stones. This image is from Vegetable Staticks (1727), which contains an account of experiments in plant physiology and chemistry.

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