Add. MS a/80/82
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Item
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25 Apr. 1845
Part of Additional Manuscripts a
R./6.14/32
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Item
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[19th cent.]
Part of Manuscripts in Wren Class R
Draft, "On the Valuation of the mechanical effect of Gradients on a line of Rail Road" by Peter Barlow and a report, "Experiments made with the Salamander in the lesser inclined Plane" by an unidentified author, May 1836.