US PATENT SUBCLASS 346 / 2
ANGLE MEASUREMENT RECORDER FOR OPTICAL INSTRUMENTS

Current as of: June, 1999
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346 /   HD   RECORDERS

2ANGLE MEASUREMENT RECORDER FOR OPTICAL INSTRUMENTS

DEFINITION

Classification: 346/2

Recorders forming part of a sextant, theodolite or other optical angle measuring device to record the observed angle.

SEE OR SEARCH CLASS

356, Optics: Measuring and Testing,

138+, for angle measuring devices.