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Optics, No. 1-3
(2009-07-22)
These lecture notes written by James Dinwiddie in 1793 focus on optics. Dinwiddie discusses the properties of various instruments including microscopes, telescopes, and magic lanterns as well as convex and concave lenses. ...
Jan 4, 1799
(2009-07-28)
One letter to James Dinwiddie from John Turing dated Jan 4, 1799.
Sept , [1792] ; N/D
(2009-07-28)
Two letters to James Dinwiddie from William Mackintosh Esq. One letter dated Sept 1782 and one letter, date unknown.