Circular Display with Grid ("30 Degrees Max / Red Error") (Updated two months ago)

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

Circular Display with Grid ("30 Degrees Max / Red Error"): Likely an attitude indicator substitute, showing pitch or roll deviation. Could be operated by servo motors or analog meter movement behind the display.The light-up segments and labeled error regions suggest feedback for pilot alignment.

Tags: historic technology

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

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Information

  • Identifier: TP-ATA-1879
  • Context: <p><strong>Credits:</strong>&nbsp;</p> <p>Some technical descriptions and historical interpretations were developed with the assistance of ChatGPT, an AI language model by OpenAI.</p>
  • Geographic Coverage: San Francisco, CA
  • Type: Still Image
  • Format: Negative
  • Source: San Francisco State University Archives
  • Rights: Public

Content

Statistics

  • Views: 397 (53 for this version)

Version history

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