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Tristan Davey's
Punch Card Archive
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Punch Cards
Explore the punch cards in the collection.
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Punches, card storage and other punch card accessories.
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Bell Telephone Laboratories - Aperture Card
Bell Telephone Laboratories - Aperture Card
Bell Telephone Laboratories - Aperture Card - Cream - 1973
Manufacturer
3M
Country
United States of America
Family
Bell Telephone Laboratories - Aperture Card
Format
80 Columns
Color
Cream
Blue Stripe
Materials
Paper
Microfilm
Bell Telephone Laboratories - Aperture Card - Cream - 1980
Manufacturer
3M
Country
United States of America
Family
Bell Telephone Laboratories - Aperture Card
Format
80 Columns
Color
Cream
Blue Stripe
Materials
Paper
Microfilm
Bell Telephone Laboratories - Aperture Card - Green - 1980
Manufacturer
3M
Country
United States of America
Family
Bell Telephone Laboratories - Aperture Card
Format
80 Columns
Color
Green
Materials
Paper
