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Electromagnetic Tuning fork

Electrical tuning-fork of one hundred vibrations. By Koenig, Paris

  Source   [Ruf, C.]. 1892. Münsterberg's Laboratory in Freiburg, Germany. Photograph. (Harvard University Archives - HUP Munsterberg, Hugo, 1BP, box 13) view the source
  People  
  Sites   Psychological Laboratory, University of Freiburg (1891)
  Related Literature   Münsterberg, Hugo. 1893. Psychological Laboratory of Harvard University. Cambridge, Mass.: University Press of Cambridge, Mass., p. 12
Zimmermann, E. 1896. Liste XIII, August 1896: Rotationsapparat für Farbscheiben. Leipzig (Collection Rand B. Evans), on p.2 (no. 6).
Kohl, Max A. G. Chemnitz. n. d. Preisliste Nr.100, Band II: Physikalische Apparate aus den Gebieten der Mechanik fester, flüssiger und gasförmiger Körper, der Wellenlehre, Akustik und Optik. Chemnitz, on p.378.
  Comment   See a color photograph of a similar device in the Harvard Collection of Historical Scientific Instruments.
  Description  
ISSN 1866-4784: reference - xlink