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Maritime Telegraph and Telephone Company fonds Item
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District 3 and 4 toll lines loading schematic Halifax toll office to Newport corner naval radio station
District 3 and 4 toll lines loading schematic Halifax toll office to Newport corner naval radio station
Digby exchange central office cable vault
Digby exchange central office cable vault
Deed for transfer of land
Deed for transfer of land
Dartmouth exchange toll entrance cable schematic arrangement of conductors through splices in the manhole at H.M.C. dockyard
Dartmouth exchange toll entrance cable schematic arrangement of conductors through splices in the manhole at H.M.C. dockyard
Darmouth exchange toll entrance cable layout of cables in Darmouth submarine cable hut
Darmouth exchange toll entrance cable layout of cables in Darmouth submarine cable hut
Canning exchange c.o. cable vault
Canning exchange c.o. cable vault
C carrier line filter patch bay line balance and transfer CCT
C carrier line filter patch bay line balance and transfer CCT
Bridgewater exchange central office cable vault
Bridgewater exchange central office cable vault
Bridgetown exchange c.o. cable vault
Bridgetown exchange c.o. cable vault
Booth switchboard wiring diagram
Booth switchboard wiring diagram
Berwick exchange c.o. cable vault
Berwick exchange c.o. cable vault
Aylesford exchange c.o. cable vault
Aylesford exchange c.o. cable vault
Automatic minute count recorder schematic
Automatic minute count recorder schematic
Ardoise radio repeater station floor plan
Ardoise radio repeater station floor plan
Annapolis exchange c.o. cable vault
Annapolis exchange c.o. cable vault
Aerial photograph of the GATR site in Gypsumville, Manitoba
Aerial photograph of the GATR site in Gypsumville, Manitoba
2 PBX system for dial offices wiring diagram
2 PBX system for dial offices wiring diagram
2 PBX system for dial offices schematic
2 PBX system for dial offices schematic
183F post pay coin collector
183F post pay coin collector
1317 A and 1200 switchboard local and toll line circuit
1317 A and 1200 switchboard local and toll line circuit
1240 type switchboard magneto cord circuit with repeating coil
1240 type switchboard magneto cord circuit with repeating coil
1240 type switchboard magneto cord circuit
1240 type switchboard magneto cord circuit
1220 and 1240 switchboards local operators telephone circuit
1220 and 1240 switchboards local operators telephone circuit
1220 and 1240 magneto SWBDS trunk and dial CCTS
1220 and 1240 magneto SWBDS trunk and dial CCTS
Results 301 to 324 of 324