needhamlibrary.orgneedhamlibrary.org/pdf/bookbyte-v19n03.pdfRising Force: The Magic of Magnetic...
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needhamlibrary.orgneedhamlibrary.org/pdf/bookbyte-v19n03.pdfRising Force: The Magic of Magnetic Levitation Author James D. Livingston, Ph.D. Friends of the Library's revenue and expenditures