14 Mar
2012
14 Mar
'12
7:40 a.m.
Early American Scientific Instruments and Their Makers,Silvio A. Bedini 39141 [Link: http://www.gutenberg.org/3/9/1/4/39141 ] [Files: 39141.txt; 39141-8.txt; 39141-h.htm] Thanks to Chris Curnow, Hunter Monroe, Joseph Cooper and the Online Distributed Proofreading Team at http://www.pgdp.net Many thanks Janet
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Janet Blenkinship