Wndsn Quadrant Telemeters

Description and use.

The Wndsn Quadrant Telemeter is a simple observational tool for measuring angles via various inputs combined with a number of means to directly process the acquired values.


Four Methods of Sighting

  • Measuring angular size on the Telemeter (front) scale.
  • Sighting the quadrant alongside the integrated ridges.
  • Back-sighting the quadrant for sun observation.
  • Sighting along the string for shadow square operation.

The four sighting methods of the Quadrant Telemeter.

The four sighting methods of the Quadrant Telemeter.

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