4140-01-150-5337 FAN,CENTRIFUGAL Index 5815-01-150-5340 CHASSIS,ELECTRICAL-ELECTRONIC EQUIPMENT

National Stock Number:
6660-01-150-5338

Federal Supply Class:
6660

National Item Identification Number:
011505338

Description:
THEODOLITE,METEOROLOGICAL

Detail:
A TELESCOPIC INSTRUMENT USED IN DETERMINATION OF WIND DIRECTION AND SPEED BY OPTICAL TRACKING OF FREE MOVING BALLOONS. TWO TELESCOPES ARE GENERALLY PROVIDED, ONE FOR FINDING THE OBJECT AND THE OTHER FOR TRACKING. SIGHTING THROUGH THE SCOPES IS BY MEANS OF RIGHT ANGLE EYEPIECES. VERNIER SCALES ARE USED FOR FINE READING OF THE HORIZONTAL AND VERTICAL CIRCLES. SOME INSTRUMENTS ARE DESIGNED WITH AUXILIARY DEVICES FOR PLOTTING THE OBSERVED POSITIONS AT THE TIME OF OBSERVATIONS. ILLUMINATION MAY BE PROVIDED FOR OBSERVATIONS AT NIGHT. EXCLUDES TRANSIT AND TRANSIT, POCKET.


Manufacturer Information:
507655057946US ARMY COMBAT SURVEILLANCE AND TARGET ACQUISITION LABORATORY
C507655057946US ARMY COMBAT SURVEILLANCE AND TARGET ACQUISITION LABORATORY


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