Attributions
The files and metadata on this page have been mirrored with permission from The Telecom Archive.
Bell System Practices | |
|---|---|
| Division | 030 |
| Description | Calculagraphs, Call Timing Switch, Cameras, Clocks, Counters, Photo Processors, Registers, Selector Multiple Designation Cards, Switches, Tape Printers, Ticketers, Timers, and Time Stamp |
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