pdf Stromberg Carlson Central Office Equipment Catalogue - 1955 Ocr R Popular
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stromberg_carlson_central_office_equipment_catalogue_-_1955_ocr_r.pdf
Section B. Includes: Stromberg Carlson XY Dial Systems, XY Toll Ticketing, Toll Switchboards, Information and Special Services Desks, Common Battery Switchboards, No. 125 Magneto Switchboard. [Previous versions Archived] Contributed by Steve Cichorsky. OCR by Clint Gilliland
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