Specifications for the multiplex printing telegraph system : theory and operation (1920)
Western Union Telegraph Company · [New York?] : The Company · leaf 305
nd 1 of the local connectorpanel and connect all of them to post C on the added local block. These wires also willhave to be spliced and run into the same form as wires mentioned in paragraphs c and d. f. Remove the three wires connected to posts 9, 10 and 11 of the local connectorpanel and connect…
Telegraph
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