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Wairarapa Age, Volume XXXI, Issue 3018, 15 October 1908, Page 5

"When I was advising chemist to some of the butter companies in Victoria," said the principal of the Hawkesbury College (N.S.W.) during a lecture, "it became my ui - pleasant duty, after looking at some i of their milk, to inform the directors that they were paying for from 1,000 to 3,000 gallons of water a week at 3d a gallon. We used to get frogs and leeches from those cows. That dishonesty was going through the industry; it would soon have made dairying impossible. But Dr Babcock, of Wisconsin, invented a little machine, and the whole milk and butter industry to-day depends on that one deyice—the milk-tester—-every bit as much, in its way, aB on the separator. There is an interesting difference between the men who invented the two. De Laval, in' did not really invent the ■jjeparator; It was invented by some- ' one in the seventeenth. century, but ,Be Laval saw the use of it. He did a great work with it for the world, snd was very well repaid, for he took out a patent, and is a rich man today. Dr Babcock' would not patent the tester. He gave it to r the farmeftot the whole world; the only pWlze be would accept for it was a jriedaKcGtn bis own State.