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Wires between circuit boards at telephone exchange

Wires between circuit boards at telephone exchange

T356/0318

Rights Managed

26.4 MB (2.8 MB compressed)

3665 x 2516 pixels

31.0 x 21.3 cm ⏐ 12.2 x 8.4 in (300dpi)

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Credit

JOHN GREIM / SCIENCE PHOTO LIBRARY JOHN GREIM / SCIENCE PHOTO LIBRARY

Caption

Circuitry at telephone exchange. Clusters of telephone wires between circuit boards at a telephone exchange. Most modern exchanges use solid-state devices to carry out the switching process, with computers to control the operation.

Release details

Model release not required. Property release not required.

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