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4204 results with digital objects Show results with digital objects

Photograph of telephony machines

HC01 PC-PC-50-PC-50-1980s-PC-50-1980s-1983-PC-50-1980s-1983-BK09-84
Item
1983

Part of Humber College Photo Collection

Item is a photograph of telephony voice and data transmission over telephone wires technology.

Photograph of telephony machines

HC01 PC-PC-50-PC-50-1980s-PC-50-1980s-1983-PC-50-1980s-1983-BK09-77
Item
1983

Part of Humber College Photo Collection

Item is a photograph of telephony voice and data transmission over telephone wires technology.

Photograph of telephony machines

HC01 PC-PC-50-PC-50-1980s-PC-50-1980s-1983-PC-50-1980s-1983-BK09-89
Item
1983

Part of Humber College Photo Collection

Item is a photograph of telephony voice and data transmission over telephone wires technology with discreet control buttons for absolute control over a data connection.

Photograph of telephony machines

HC01 PC-PC-50-PC-50-1980s-PC-50-1980s-1983-PC-50-1980s-1983-BK09-91
Item
1983

Part of Humber College Photo Collection

Item is a photograph of telephony voice and data transmission over telephone wires technology. This handset, produced by the ROLM corporation is connected to a central CBX (computer branch exchange) for establishing data connections.