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Folder Bell Telephone Company of Canada

Documents

pdf BTC Specification 3852 Substation Apparatus Installation Aug 1923 Popular

By 362 downloads

Download (pdf, 6.46 MB)

BTC_Specification_3852_Substation_Apparatus_Installation_Aug_1923.pdf

pdf BTC Specification 3854 - Sept 1923 - Substation Connections Popular

By 363 downloads

Download (pdf, 2.75 MB)

BT_Canada_Spec_3854_Sep23_Substation_Connec_tci.pdf

BTC Specification 3854 - Sept 1923 - Substation Connections

Contributed by Jeff Lamb. Bookmarked by Paul Fassbender.

pdf BTC Specification 3858 No 50 Coin Collector Maintenance June 1923 Popular

By 303 downloads

Download (pdf, 6.12 MB)

BTC_Specification_3858_No._50_Coin_Collector_Maintenance_June_1923.pdf

pdf BTC Specification 4160 Dial Stations Nov 1927 Popular

By 369 downloads

Download (pdf, 6.08 MB)

BTC_Specification_4160_Dial_Stations_Nov_1927.pdf

pdf BTC Specification 4160 Machine Switching Stations Nov 1926 Popular

By 437 downloads

Download (pdf, 1.34 MB)

BTC_Specification_4160_Machine_Switching_Stations_Nov_1926.pdf

pdf BTC Specification 4810 Stations Hand Telephone Sets Dec 1927 Popular

By 379 downloads

Download (pdf, 6.76 MB)

BTC_Specification_4810_Stations_Hand_Telephone_Sets_Dec_1927.pdf

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