PSN-L Message - Subject: History Matters

PSN-L Email List Message

Subject: History Matters
From: "Warner, Deborah J." warnerd@......
Date: Mon, 25 Feb 2013 14:59:50 -0500

For an historical account of the Sprengnethers and their seismographs, see

http://www.erittenhouse.org/artitcles/sprengnethers-and-their-seismographs/

Deborah Warner
Curator, Physical Sciences Collection
National Museum of American History
Smithsonian Institution
Washington, D.C. 20013-7012

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http://www.erittenhouse.org/artitcles/sprengnethers-and-their-seismographs/=
 
Deborah Warner
Curator, Physical =
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National Museum of A=
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Smithsonian Institution<=
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Washington, D.C. 20013-7012
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