Engraving depicting a milking machine invented by Edward M. Knolling of Sandy Creek, Oswego County, New York. In the glass globe a partial vacuum was...牛奶
Worker attaches milking cups to the teats of a camel in a shed at the Good Earth Dairy camel dairy farm, operated by Dandaragan Camel Dairies Pty, in...擠奶
Worker attaches milking cups to the teats of a camel in a shed at the Good Earth Dairy camel dairy farm, operated by Dandaragan Camel Dairies Pty, in...
Milking cups hang in a milking shed at the Good Earth Dairy camel dairy farm, operated by Dandaragan Camel Dairies Pty, in Yathroo, Australia, on...