Torrid Telephone
1-2.jpg
Description:
Schematic cross section of telephone cord (not to scale)
file
60 kB
1-2.jpg
Alt text:
Diagram showing three copper wires, with insulation, bundled into a single insulated cable.
Caption:
Schematic cross section of telephone cord (not to scale)
Credit:
Image Courtesy of Kenneth C. Russell.
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Fall
2007
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