STARS:Electromechanical Telephone-Switching
From GHN
Attachments| File Name | File Type | User | Last Modified |
|---|---|---|---|
| -1_Crossbar_NY_May_1938.jpg | image/jpeg | Administrator1 | 27. Sep. 2010, 18:05:49 |
| -4A_Toll_Crossbar_1955.jpg | image/jpeg | Administrator1 | 27. Sep. 2010, 18:06:13 |
| Keith_Patent_597062_TELEPHONE_Dial_1.jpg | image/jpeg | Administrator1 | 22. Sep. 2010, 18:52:48 |
| Panel_--_Chicago-Franklin_1938.jpg | image/jpeg | Administrator1 | 27. Sep. 2010, 18:04:43 |
| Step-by-Step_--_Dallas_Telephone_Co._1919.jpg | image/jpeg | Administrator1 | 27. Sep. 2010, 18:04:23 |
| Strowger_patent_447918_1.jpg | image/jpeg | Administrator1 | 22. Sep. 2010, 18:53:18 |
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