Computers - Electronics - Robots - Technology - TV's
Apr. 17 Light guiding fibre - the coming cable': The transmittance of communication by glass fibres is an economical technique, in contract with the transmittance by copper lead. One gramme of glass can replace some kilograms of copper at the same transmittance capacity. The new cables will hardly be detracted from bending stress. Photo Shows A carrier frequency cable 9at right) and a possible version of a ribbon lead with light guiding fibres (at left.) Both are made for a capacity of 10, 800 calls
Picture No
13221175
Media ID
46982649
Size
4994px x 3931px
(851KB)
Credit
(c) Keystone Pictures USA/ZUMAPRESS.com/Mary Evans
Usage Restrictions
Editorial Use Only - No Property or Model Releases. For any non-editorial use, please contact Mary Evans direct
Source
Keystone
