The first successful milking machine was the one made by L O Colvin, a US engineer in 1890. It was 1889 before Scottish engineer Alexander Shields introduced the modern type of machine which sucks intermittently like a calf.
Who discovered Pine apple?
The pine apple, a native of South America, was unknown to Europeans before Columbus’ discovery of America. European began to transport the fruit and grow the plants else where. By 1502m Portuguese explorers had found pine apples in West Indies.
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