4. Optics: measuring and testing
  5. Angle measuring or angular axial alignment
  6. Apex of angle at observing or detecting station

Douglas B. Monnin

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Apparatus and method for measuring the included angle of a refle

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
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Pendulous compensator for light beam projector

Optics: measuring and testing – Angle measuring or angular axial alignment – Apex of angle at observing or detecting station
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Profile ID: LFUS-PAI-P-656016

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