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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: bache; observations; magnetic; franklin; dallas; scientific; united; commemoration; alexander; girard; alexander dallas; professor bache; girard college; york harbor; advisory council; public domain; solar diurnal; york senate; diurnal variation; boston city</div>
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Benjamin Apthorp Gould,  Alexander Dallas Bache</div>
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