Codebreakers

About

Looks at several incidents where codebreakers were able to read top secret messages. Includes segments on the purple analog machine which enabled U.S. codebreakers to read Japanese messages for months before and after Pearl Harbor, the importance of codebreakers in the victory of the Battle of Midway, and how U.S. involvement in World War I resulted from the work of British codebreakers decoding a German telegram.

1 videocassette (60 min.) : 1/2 in

Looks at several incidents where codebreakers were able to read top secret messages. Includes segments on the purple analog machine which enabled U.S. codebreakers to read Japanese messages for months before and after Pearl Harbor, the importance of codebreakers in the victory of the Battle of Midway, and how U.S. involvement in World War I resulted from the work of British codebreakers decoding a German telegram

VHS

Narrated by Peter Thomas

Camera, Dominic DeSantis, Martyn Rissen, David Savage ; edited by Marie Peacock

Originally broadcast on the television program Nova

Archive

Internet Archive, in The VHS Vault

Licence or status

The Internet Archive states none for this item.

Credit

William Woolard, Brian Johnson, InCA Ltd., NDR International., WGBH (Television station : Boston, Mass.), WGBH Educational Foundation.

Language

English

Subtitles

English

Who can watch

The archive gives no rating. Invisible Network shows it to Teens profiles and older, judged from its collection and subjects. How films are placed