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U (Stack)Simms, Frederick W.
A treatise on the principal mathematical instruments employed in Surveying, Levelling, and Astronomy ...
London: 1844. Bound with two other works under the title Simms's Instruments and Levelling: (1) this work; (2) Catalogue of Instruments made by Troughton and Simms ... (London, n.d.); (3) A treatise on the principles and practice of Levelling ... (London, 1843).
[1967-247]
1843