pdf 1930 NYTel - Telephone Equipment Services - PBXs and Turrets - Aug30 Popular
By Paul F 1439 downloads
1930_NYTel_Telephone_Equipment_Services_Aug30_tci.pdf
35 pages, August 1930. Contributed by Rick Walsh. Bookmarked by Paul Fassbender.
Includes cordless and dial PBX. 740-A, 740-B 740-C, 750-A, Typewriter Service, Portable Telephone Equipment, and Receiving Turrets.
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