Box 6

Container

Contains 3 Results:

An original transmitted-light reading head from Mod I - the one for the name-grids on the answer sheet used by students

File — Box: 6

Identifier: 4

Dates: 1952-1980

Found in: University of Iowa Archives / John V. McMillin II Papers / ARTIFACTS

Another transmitted-light "improved" reading head, as used in Mod II and III - vintage, early 1960s

File — Box: 6

Identifier: 4

Dates: early 1960s

Found in: University of Iowa Archives / John V. McMillin II Papers / ARTIFACTS

A 960-bit magnetic-core memory module, designed by JVM, Docutran Scanner that Lindquist sold to Science Research Associates in Chicago, IL, early 1960s

File — Box: 6

Identifier: 4

Dates: early 1960s

Found in: University of Iowa Archives / John V. McMillin II Papers / ARTIFACTS