Sept , [1792] ; N/D
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Date
2009-07-28T17:29:02Z
Authors
MacKintosh, William, Esq.
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Abstract
Two letters to James Dinwiddie from William Mackintosh Esq. One letter dated Sept 1782 and one letter, date unknown.
Description
One letter, two pages ; One letter, three pages.
Keywords
Telescope, Chromatic, Bill, Machine, Microscope, William Mackintosh Esq., James Dinwiddie, 1792, Polyoptic, Mirrors, Camera obscura, Mahogany, Cylindric