Category:Message systems

From ETHW

Revision as of 19:17, 19 September 2011 by Jglock (talk | contribs)

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Jump to:navigation, search

The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.

Includes postal services and voice mail.

Subcategories

Postal services - the services used to transmit physical objects and tangible letters across space
Voice mail - a computer based system that allows users to exchange voice messages

Subcategories

This category has only the following subcategory.

P

Postal services

Pages in category "Message systems"

The following 4 pages are in this category, out of 4 total.

F

Milestones:First Breaking of Enigma Code by the Team of Polish Cipher Bureau, 1932-1939

I

Milestones:International Standardization of G3 Facsimile, 1980

K

Robert Kahn

W

Education:What's the real message?

Media in category "Message systems"

The following 2 files are in this category, out of 2 total.

Fig05-SiemensKarolusFacsimileSystem1927 0622.jpg 1,731 × 2,170; 584 KB
Message Systems Morse code in British signal exchange Somme 1916.jpg 766 × 599; 74 KB

Retrieved from "https://ethw.org/w/index.php?title=Category:Message_systems&oldid=65219"

Communications