This is a quote from the book "Animal Farm" by George Orwell
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Within a few weeks Snowball’s plans for the windmill were fully worked out. The mechanical details came mostly from three books which had belonged to Mr. Jones —‘One Thousand Useful Things to Do Ab out the House', 'Every Man His Own Bricklayer', and 'Electricity for Beginners'. Snowball used as his study a shed which had once been used for incubators and had a smooth wooden floor, suitable for d rawing on. He was closeted there for hours at a time. With his books held open by a stone, and with a piece of chalk gripped between the knuckles of his trotter, he would move rapidly to and fro, draw...

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