Sujet
A milking machine invented by Edward M
Légende
Engraving depicting a milking machine invented by Edward M. Knolling of Sandy Creek. In the glass globe (a) a partial vacuum was created by means of a pump (C ), four metal tips were inserted into the teats, and the milk drawn off by the vacuum in the globe. Dated 19th Century
Date
19e siècle
Crédit
Photo12/Ann Ronan Picture Library
Notre référence
ARP23A14_082
Licence
Droits gérés
Format disponible
60,0Mo (8,9Mo) / 39,1cm x 38,4cm / 4623 x 4537 (300dpi)