Telephone Switching Equipment Demonstrated During Student Communications Tour, Fall 1965 (Updated two months ago)

You can view this bundle in the SFSU Over the Years collection area.

Close-up view of electromechanical telephone switching equipment photographed during a communications-related educational activity in Fall 1965. Wiring terminals, relay components, and switching modules characteristic of mid-twentieth-century telecommunications systems are visible.

Tags: frederic burk school , historic technology

Added to SFSU Over the Years on July 31, 2026.

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Information

  • Identifier: TP-ATA-2464
  • Date: Fall 1965
  • Context: <h3 data-section-id="oqaszp" data-start="1937" data-end="1964">Historical significance</h3> <p data-start="1965" data-end="2258">What makes this image particularly valuable today is that this entire technology has essentially disappeared. In 1965, telephone calls were often routed through enormous rooms filled with relay-based switching equipment like this. Today the same function is handled by compact digital systems.</p> <p data-start="1965" data-end="2258">&nbsp;</p> <p data-start="1965" data-end="2258"><strong>Credits:</strong>&nbsp;Some descriptions were developed with the assistance of ChatGPT, an AI language model by OpenAI.</p>
  • Geographic Coverage: San Francisco, CA
  • Temporal Coverage: 1960s
  • Type: Still Image
  • Format: Negative
  • Source: San Francisco State University Archives
  • Rights: Public

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Version history

Import from CMS.
Update by DIVA Digitization Team two months ago
Import from CMS.
Update by DIVA Digitization Team two months ago