Alonzo Hollister,a member of the Society of Shakers,and his vacuum pan evaporator. This invention was used to distill herbs in a vacuum at very low temperatures,thereby preserving their medicinal qualities. It was this machine that inspired Gail Borden to invent evaporated milk | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / NYPL / Science Source |
Taille de l’image : | 3872 px × 2699 px |
Model Release : | Le droit n'est pas encore disponible. Merci de nous contacter avant utilisation. |
Property Release : | Non requis |
Restrictions : |
|