Control Hammer
date: label: date made
content: around 1890
notes: label: Description
content: Early experimental psychologists used a Hipp chronoscope and a control (or fall) hammer to measure reaction times. This control hammer is of the sort introduced by Matthäus Hipp, the German-Swiss mechanician who designed the chronoscope. It dates from around 1890.
label: Description
content: Ref: “Facilities in Experimental Psychology,” in <i>Report of the Commission of Education for the Year 1890-91</i> (Washington, D.C., 1894), p. 1143.
label: Location
content: Currently not on view
topic: label: Subject
content: Science & Scientific Instruments
setName: label: See more items in
content: Medicine and Science: Medicine
creditLine: label: Credit Line
content: Cornell University Department of Psychology
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MG.300427.004
label: catalog number
content: 300427.004
label: accession number
content: 300427
label: collector/donor number
content: 3S4A
label: catalog number
content: M-14751
objectType: label: Object Name
content: Apparatus, Testing, Psychological
label: Object Name
content: control hammer
label: Other Terms
content: Apparatus, Testing, Psychological; Diagnostic Medicine
physicalDescription: label: Measurements
content: overall: 10 1/8 in x 4 7/8 in x 17 in; 25.7175 cm x 12.3825 cm x 43.18 cm