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Sculptor Keith Newstead made this lovely brass pegasus automaton. He writes of its metal work:

As they had been cut from 1mm brass they were quite heavy and I was worried that the whole brass horse would be too heavy for the crank to lift it.

I made up the base , fitted all the parts of Pegasus together, fitted Pegasus to the base and joined up all the connecting wires.

As soon as I connected the wings I realised that because of the way they were set up they were actualy lifting the rest of Pegasus, in effect making it lighter.

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