Wednesday 21 November 2012

You pumped eight gallons of water into the tank

The summer home of Thomas Alva Edison,famous inventor,was filled with labor saving devices which he had concieved and perfected.One day, when he was showing a party of friends through the place,a guest commented that everything seemed to work smoothly except for a revolving gate in the garden.
"I had to lean all my weight against it to get past," she complained.
"Ah! when you pushed through that revolving gate,you pumped eight gallons of water into the tank on my roof,"said Edison with a twinkle in his eye!

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