Category:Message systems: Difference between revisions
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Includes postal services and voice mail. | |||
== Subcategories == | |||
*'''[[:Category:Postal services|Postal services]]''' | |||
*'''[[:Category:Voice mail|Voice mail]]''' | |||
[[Category:Communications|{{PAGENAME}}]] |
Revision as of 18:36, 6 June 2011
Pages in category "Message systems"
The following 4 pages are in this category, out of 4 total.
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