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S (Open Shelf - oversize)Chipman, Robert A.
The Earliest Electromagnetic Instruments
offprint of Paper 38, pp. 121-136, from United States National Museum Bulletin 240: Contributions from the Museum of History and Technology; Smithsonian Institution, Washington, D.C. 1964. Additional copy in the Bulletin 240 vol.
[1965-31/5]
1964