electric stop clock
Datecirca 1925
Inventory NumberWJ0110
ClassificationChronometer
Subject
Maker
Standard Electric Time Company
1887-present
Cultural Region
Place of Origin
Dimensions40 x 41 x 30 cm (15 3/4 x 16 1/8 x 11 13/16 in.)
Material
DescriptionThe clock has a round dial and is fixed on rectangular tabletop stand. The dial has two hands: one black and one red. The black measures time in 1/100 of a second. The red measures time in seconds. There is a small hand-controlled switch to stop the clock.
Signedon dial: THE / STANDARD ELECTRIC TIME CO. / SPRINGFIELD MASS.
Inscribedon top of dial: PATENT PENDING
FunctionTime measurement of mental acts.
ProvenancePsychology Department, William James Hall, Harvard University.
John Cuthbertson
Date: 1770-1815
Accessories: brown storage box, descriptive tag, thin strip of paper in box with the inscription "lucernal microscope" in David P. Wheatland's handwriting (which refers to figs. 47-48 and 51 in this series), page from the book "Old Science and Medicine" with a photographic copy of the first print from this series, entitled "The Large Electric Machine at Haarlem."
Object number: 1998-1-1087
Charles Frodsham
Date: circa 1865
Accessories: winding key.
Object number: 1998-1-1319
Institute of Geographical Exploration
Date: circa 1900
Accessories: winding key; geared allen wrench; leather holster. Associated with printing chronograph.
Object number: DW0471a
International Time Recording Company
Date: circa 1914
Accessories: clock key and key ring with three door keys, two L and one R
Object number: 2016-1-0046
Harvard Cyclotron Laboratory
Date: 1947-2002
Object number: 2003-1-0291
John Bliss & Company
Date: circa 1880
Accessories: "Tipsy" winding key
Object number: DW0246
William Bond and Son
Date: circa 1860
Accessories: carrying case
Object number: 2005-1-0015a
Charles Frodsham & Company, Ltd
Date: circa 1900
Accessories: "Tipsy" winding key; (box key missing)
Object number: DW0360