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Tristan Davey's
Punch Card Archive
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Catalogue
Punch Cards
Explore the punch cards in the collection.
Card Accessories
Punches, card storage and other punch card accessories.
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Professional Aids Co. Instant Data System
Professional Aids Co. Instant Data System
Professional Aids Co. - Form D-1 (B)
Manufacturer
Professional Aids Company
Country
United States of America
Family
Professional Aids Co. Instant Data System
Format
Edge-Notched Cards
Color
Cream
Materials
Paper
Professional Aids Co. - Form D-5 (D)
Manufacturer
Professional Aids Company
Country
United States of America
Family
Professional Aids Co. Instant Data System
Format
Edge-Notched Cards
Color
Cream
Materials
Paper
Professional Aids Co. - Form S-6 (A)
Manufacturer
Professional Aids Company
Country
United States of America
Family
Professional Aids Co. Instant Data System
Format
Edge-Notched Cards
Color
Cream
Materials
Paper
