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Handyside, Henry

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A Treatise On an Improved Method for Overcoming Steep Gradients On Railways: Whereby Any Ordinary Locomotive, Capable of Hauling a Given Load Up a Gradient of 1 in 80, Can Take the Same Up 1 in 8
A Treatise On an Improved Method for Overcoming Steep Gradients On Railways Whereby Any Ordinary Locomotive, Capable of Hauling a Given Load Up a Gradient of 1 in 80, Can Take the Same Up 1 in 8