Science Past from the issue of June 20, 1959

By Science News, 12:59 PM June 4, 2009

Mechanical cow eats grass — A mechanical “cow” has just started work at the British Agricultural Research Council’s experimental station at Rothamsted, near London. Its function is to extract protein from leaves or grass or any suitable vegetation…. Grass or other vegetation is fed into the machine from a normal elevator. After being chopped, the grass enters a press and the juice is squeezed out of it. This juice, which contains the bulk of the protein and barely any cellulose, is then trea...

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