chronographic tuning fork
Date1889-1893
Inventory NumberWJ0043
ClassificationTuning Fork
Subject
Maker
Charles Verdin
fl. 1880 - 1900
Maker
Rudolph Koenig
1832 - 1901
Supplier
James W. Queen & Company
1853 - 1893
Cultural Region
Place of Origin
Dimensions6.5 x 60 x 12 cm (2 9/16 x 23 5/8 x 4 3/4 in.)
Material
DescriptionA long, steel tuning fork is fixed on a mahogany base. An electromagnet rests in the middle of the two tines. Its position can change slightly by sliding it. A contact point registers the vibration of the fork, which was set at 10 VD (or vibrations doubles).
Signedon base, stamped: CHLES. VERDIN - PARIS / REPRÉSENTED BY / JAMES W. QUEEN & CO. / PHILPHIA - PA.
on plate under coil: CHLES. VERDIN - PARIS / REPRÉSENTED BY / JAMES W. QUEEN & CO. / PHILPHIA - PA.
on brass coil support, stamped: CHLES VERDIN / A / PARIS
on fork: RK
Inscribedon fork: 10 VD
ProvenancePsychology Department, William James Hall, Harvard University.
Historical AttributesThis instrument is found in Hugo Münsterberg's 1893 <i>Psychological Laboratory of Harvard University</i> document. It is thus listed: "121. Electrical tuning-fork of ten vibrations. By Verdin, Paris. $30."
See online reproduction <a href="http://psychclassics.yorku.ca/Munster/Lab/" target="_blank">here</a>.
Rudolph Koenig
Date: circa 1890
Object number: WJ0042
Rudolph Koenig
Date: circa 1889
Object number: 1997-1-0884
The W. M. Welch Scientific Company
Date: 1950-1960
Object number: 1998-1-0450
American
Date: circa 1900
Accessories: wooden handle
Object number: 1998-1-0698
American
Date: 1920-1950
Object number: 1997-1-1050