49 kHz wristwatch crystal units

Date Made: 1968-70

Maker: CTS-Knights

Location: Currently not on view

See more items in: Work and Industry: Mechanisms

Exhibition:

Exhibition Location:

Data Source: National Museum of American History

Id Number: 2002.0302.04Catalog Number: 2002.0302.04Accession Number: 2002.0302

Object Name: Prototype & uncovered sample, crystal unit

Measurements: overall; a - from catalog card: .9 cm x 1.8 cm x .2 cm; 11/32 in x 23/32 in x 3/32 inoverall; b - from catalog card: 1 cm x 1.9 cm x .3 cm; 13/32 in x 3/4 in x 1/8 inoverall; c - from catalog card: .5 cm x 1.8 cm x .5 cm; 3/16 in x 23/32 in x 3/16 inoverall -a: 3/8 in x 3/4 in x 1/8 in; .9525 cm x 1.905 cm x .3175 cmoverall - b: 3/8 in x 3/4 in x 1/8 in; .9525 cm x 1.905 cm x .3175 cmoverall - c: 1/4 in x 3/4 in x 1/8 in; .635 cm x 1.905 cm x .3175 cm

Guid: http://n2t.net/ark:/65665/ng49ca746aa-524d-704b-e053-15f76fa0b4fa

Record Id: nmah_1191400

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