Timer
date: label: Date made
content: ca. 1960
name: label: maker
content: Physical Science Study Committee
notes: label: Description
content: The Physical Sciences Study Committee (PSSC) used simple ticker tape timers to measure small intervals of time. The form was introduced in the late 1950s, and remained in use for 50 years. This example has a small aluminum battery holder marked: KEYSTONE ELECTRONICS N.Y. 12, N.Y. No. 176
label: Description
content: Ref: PSSC, Physics Laboratory Guide (1960), p. 10 (photo of two boys using a ticker tape timer); p. 42 (photo of timer with dynamic cart).
label: Description
content: Macalaster Scientific Company, Catalog (1971-1972), p. 13 (for recording timer)
label: Description
content: Central Scientific Company, Educational Catalog (1974), p. 48 (for recording timer)
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Physical Sciences
creditLine: label: Credit Line
content: Gift of Uri Haber-Schaim
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 2007.0043.06
label: accession number
content: 2007.0043
label: catalog number
content: 2007.0043.06
objectType: label: Object Name
content: Ticker Tape Timer
physicalDescription: label: Measurements
content: overall; timer: 2 1/4 in x 7 in x 3 1/4 in; 5.715 cm x 17.78 cm x 8.255 cm
label: Measurements
content: overall; timer: 2 1/8 in x 7 in x 3 1/4 in; 5.3975 cm x 17.78 cm x 8.255 cm
label: Measurements
content: overall; tape: 1/2 in x 3 3/8 in; 1.27 cm x 8.5725 cm