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<p>Book digitized by Google from the library of Harvard University and uploaded to the Internet Archive by user tpb.
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<br>Subjects: smithsonian; resistance; force; current; wire; platinum; zinc; iron; battery; specimens; tenth annual; annual report; nitric acid; sulphuric acid; natural history; dilute sulphuric; iron wire; thb smithsonian; annual bepobt; copper wire</div>
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Smithsonian Institution</div>
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