Calculating the Weight.

“We never needed any of them newfangled scales in Ireland,” said O'Hara. “There's an aisy way to weigh a pig without scales. You get a plank and you put it across a stool. Then you get a big stone. Put the pig on one end of the plank and the stone on the other end and shift the plank until they balance. Then you guess the weight of the stone, and you have the weight of the pig.”

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