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The Epic Interactive Encyclopedia 1998
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Epic Interactive Encyclopedia, The - 1998 Edition (1998)(Epic Marketing).iso
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Milking_machine
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INFOTEXT
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1992-09-03
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269b
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7 lines
A machine that uses suction to milk cows. The
first milking machine was invented in the USA
by L O Colvin in 1860. Later it was improved
so that the suction was regularly released by
a pulsating device, since it was found that
continuous suction is harmful to the cow.