A table showing the multiple are of an automatic exchange. Each of the cable tapes shown in the picture contains 30 wires. There are 22 tapes and 660 soldered connections in each, arc .
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https://paperspast.natlib.govt.nz/newspapers/SUNAK19281208.2.163.2
Bibliographic details
Sun (Auckland), Volume II, Issue 532, 8 December 1928, Page 17
Word Count
33A table showing the multiple are of an automatic exchange. Each of the cable tapes shown in the picture contains 30 wires. There are 22 tapes and 660 soldered connections in each, arc. Sun (Auckland), Volume II, Issue 532, 8 December 1928, Page 17
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