Microfilm

Bell Telephone Laboratories - Aperture Card - Cream - 1973
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
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
Engineering Data Card
Engineering Data Card
Manufacturer
3M
Country
United States of America
Format
80 Columns
Color
Cream Yellow Stripe
Materials
Paper Microfilm
IBM Micro Document
IBM Micro Document
Manufacturer
International Business Machines Corporation (IBM)
Country
United States of America
Format
80 Columns
Color
Cream Blue Stripe
Materials
Paper Microfilm
United States Department of Defence - Dual Purpose Engineering Card -
United States Department of Defence - Dual Purpose Engineering Card -
Manufacturer
International Business Machines Corporation (IBM)
Country
United States of America
Family
United States Department of Defence - Dual Purpose Engineering Card
Format
80 Columns
Color
Orange
Materials
Paper Microfilm
United States Department of Defence - Dual Purpose Engineering Card - Langan Aperture Cards 1
United States Department of Defence - Dual Purpose Engineering Card - Langan Aperture Cards 1
Manufacturer
Langan Aperture Cards
Country
United States of America
Family
United States Department of Defence - Dual Purpose Engineering Card
Format
80 Columns
Color
Orange
Materials
Paper Microfilm