Delta Routing

Credits

The film and photographs on this site come from public archives, named below. The site shows them in grayscale at rest and reveals color on hover. The originals are black and white and have been digitally colorized; those colors are interpretations.

  1. Toll operators routing calls, Bell System, about 1949

    From the film Operator Toll Dialing: Teamwork, Prelinger Archives at the Internet Archive.

    Public domain.

  2. Aircraft tracks on a SAGE air-defense display, about 1956

    From IBM's film On Guard! The Story of SAGE, Prelinger Archives at the Internet Archive.

    Public domain.

  3. Switchboard cords, Bell System, about 1949

    From the same Bell System film. It also fills the name at the foot of each page.

    Public domain.

  4. IBM 704, NASA Ames Research Center, 1958

    William A. Mersman and Marcie Smith in the Electronic Machine Computing Branch, 3 October 1958, ARC-1969-A-24321.

    NASA. Public domain.

Typefaces

Archivo Black by Omnibus-Type and Libre Franklin by Impallari Type, both under the SIL Open Font License 1.1.

Processing

Film clips were trimmed, looped, and graded to black and white; the photograph was cropped inside its print border.

Use of NASA material does not imply endorsement by NASA.