Tristan Davey's  Punch Card Archive
CTRL K
  • Catalogue
    • Punch Cards

      Explore the punch cards in the collection.

    • Card Accessories

      Punches, card storage and other punch card accessories.



  1. Home
  2. Printers
  3. Langan Aperture Cards
Langan Aperture Cards

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
Tristan Davey's Punch Card Archive
  • Archive data is licensed under CC BY-SA 4.0 Creative Commons Logo Creative Commons Attribution Logo Creative Commons ShareAlike Logo
  • Images in the collection may contain trademarks or other copyright protected material - All original rights are retained.
The Archive
  • Contact
Other Collections
  • Georg Fischer's Collection
  • Douglas W Jones's Collection
  • Jim Scott's Collection