Tangible Media: Removable Storage of Image, Sound, Motion and Data
Tangible Media: Removable Storage of Image, Sound, Motion and Data
Tangible Media: Removable Storage of Image, Sound, Motion and Data
Magnetization
Comptometer "Erase-O-Matic"

Date:

1955–c. 1959

Material:

Iron oxide on polyester base

Company:

Felt & Tarrant Mfg. Co. (Comptometer Div.)

Location:

Chicago, Illinois, United States

National Geographic, 1956
National Geographic, 1956