Mathematics. Collections.
Mansfield, Jared. 5914.1 =**E.197.5
Essays, mathematical and physical: containing new theories and illustrations of some very important and difficult subjects of the sciences. Never be- fore published. New-Haven. Morse. Ned. x, (1), 274, (47) pp- 13 folded pls. 8°. Contents.-Of negative quantities in algebra; Goniometrical properties; Nautical astronomy;
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