Artifact Details

Title

Bell Labs TRADIC

Catalog Number

102627245

Type

Still Image

Date

1955

Publisher

Bell Laboratories

Identifying Numbers

Other number #1211
Other number 25.4-11 (crossed out)
Other number 6.1.4-3 (crossed out)
Other number B-654-33

Dimensions

10 x 8 in.

Format

Photographic print

Description

Verso Bell Labs label text: "Subject: COMPUTERS General - TRADIC. Number: B654/0-33A. Source: Release, March 14, 1955. Date taken: 1955. Background Information: The laboratory model of TRADIC, Bell Telephone Laboratories' new electronic "brain," can provide answers to trigonometric problems with a series of "dots" on an oscilloscope. The dots of light move so rapidly that they actually appear to draw geometric diagrams on the scope. J.H. Felker, project engineer, operates the oscilloscope. Persons shown: J.H. Felker. Original (B/W box checked). Negative (120 box checked)." Verso numbers: #1211, 25.4-11 (crossed out), 6.1.4-3 (crossed out), B-654-33. Verso black stamp "Anthony Linck, Briarcliff Manor, New York."

Category

Publicity photograph

Subject

AT & T Bell Laboratories

Lot Number

X7413.2015