Timer

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Description:

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

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).

Macalaster Scientific Company, Catalog (1971-1972), p. 13 (for recording timer)

Central Scientific Company, Educational Catalog (1974), p. 48 (for recording timer)

Date Made: ca. 1960

Maker: Physical Science Study Committee

Location: Currently not on view

See more items in: Medicine and Science: Physical Sciences

Exhibition:

Exhibition Location:

Credit Line: Gift of Uri Haber-Schaim

Data Source: National Museum of American History

Id Number: 2007.0043.06Accession Number: 2007.0043Catalog Number: 2007.0043.06

Object Name: Ticker Tape Timer

Measurements: overall; timer: 2 1/4 in x 7 in x 3 1/4 in; 5.715 cm x 17.78 cm x 8.255 cmoverall; timer: 2 1/8 in x 7 in x 3 1/4 in; 5.3975 cm x 17.78 cm x 8.255 cmoverall; tape: 1/2 in x 3 3/8 in; 1.27 cm x 8.5725 cm

Metadata Usage: CC0

Guid: http://n2t.net/ark:/65665/ng49ca746ac-4a0e-704b-e053-15f76fa0b4fa

Record Id: nmah_1321763

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