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Details for A128.820 Toll Switchboard No. 3C or 3CL, Issue 1, April 1950 - Charts

A128.820 Toll Switchboard No. 3C or 3CL, Issue 1, April 1950 - Charts
PropertyValue
Name:A128.820 Toll Switchboard No. 3C or 3CL, Issue 1, April 1950 - Charts
Description:

Sequence charts, operational sketches and associated reference material. (Central Office Maintenance)

Filename:3C_3CL_SC-OS-RM.pdf
Filesize: 4.07 MB
Filetype:pdf (Mime Type: application/pdf)
Creator:remco-e
Created On: 01/31/2010 09:14
Hits:3457 Hits
Last updated on: 01/31/2010 09:16

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Telephone Collectors International was incorporated under the laws of the state of Kansas on May 13, 1986. The goal of the organization is "to educate the public, as well as the members of the Corporation, regarding the history of telephony, the value of old telephones and related items, their collectability and preservation; to research telephone history and publish and provide literature thereon; to promote the public exhibition of old telephones and related items; and to promote common courtesies and guidelines for use by the public." Telephone Collectors International is recognized by the Internal Revenue Service as a 501(c)(3) organization, to which U.S. tax deductible contributions can be made.