Nine-dial clock

Department of Physics, Queen´s University The nine dials indicate mean time; sidereal time; the equation of time; the day of the month; the time of the Sun's rising and setting; the Sun's declination; the Sun's longitude; the phases of the Moon; and the position of the planets on the ecliptic

Built by Nathanial Fellowes Dupuis, Queen´s University, Kingston, Ontario
Canadian Heritage Information Network, Canada Museum of Science and Technology, Musée de la civilisation, Stewart Museum, Canadian Medical Hall of Fame, Museum of Health Care at Kingston, University Health Network Artifact Collection, University of Toronto Museum of Scientific Instruments, University of Toronto Museum Studies Program, Suzanne Board, Dr. Randall C. Brooks, Sylvie Toupin, Ana-Laura Baz, Jean-François Gauvin, Betsy Little, Paola Poletto, Dr. James Low, David Kasserra, Kathryn Rumbold, David Pantalony, Dr. Thierry Ruddel, Kim Svendsen
Late 19th Century
© 2008, Department of Physics, Queen´s University. All Rights Reserved.

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