Look at "The Whitworth Measuring Machine" by Goodeve and Shelley, published by Longmans, Green and Co, London, 1877. It is available on Google books if you have access, or local library services.
Look at "The Whitworth Measuring Machine" by Goodeve and Shelley, published by Longmans, Green and Co, London, 1877. It is available on Google books if you have access, or local library services.
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