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National Stock Number:
6675-01-023-5688
Federal Supply Class:
6675
National Item Identification Number:
010235688
Description:
THEODOLITE,SURVEYING
Detail:
A PRECISION TELESCOPIC INSTRUMENT USED IN TOPOGRAPHIC AND GEODETIC SURVEYING OR PRECISE ALIGNMENT OPERATIONS. GENERALLY, THE OPTICAL SYSTEMS FOR READING THE HORIZONTAL AND VERTICAL CIRCLES ARE FULLY INCLOSED. THE READING OF THE CIRCLES IS MADE THROUGH OPTICAL MICROMETERS. SOME OPTICAL SYSTEMS ARE SO DESIGNED THAT READINGS OF DIAMETRICALLY OPPOSITE POINTS OF THE CIRCLES ARE MECHANICALLY AVERAGED. THE INSTRUMENTS ARE LEVELED BY THREE LEVELING SCREWS. INTERNAL ILLUMINATION MAY BE PROVIDED FOR READING THE CIRCLES AND VIEWING THE RETICLE CROSSLINES. EXCLUDES TRANSIT AND TRANSIT, POCKET.
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Manufacturer Information:
| KE-2 | 74067 | KEUFFEL AND ESSER CO |
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Techincal Specification:
| EFFECTIVE APERTURE SIZE | 1.750 INCHES NOMINAL | | AUXILIARY TELESCOPE | NOT INCLUDED | | CIRCULAR LEVEL | INCLUDED | | DIAMETER MAGNIFYING POWER | 30.0 NOMINAL | | FOCUSING TYPE | INTERNAL | | HORIZONTAL BASE AUTOMATIC CENTERING DEVICE | INCLUDED | | LEG TYPE | EXTENSION OR FIXED | | OPTICAL PLUMB | INCLUDED | | OVERALL LENGTH | 10.000 INCHES NOMINAL | | MINIMUM GRADUATION | 1.0 SECONDS MICROMETER DRUM | | SPECIAL FEATURES | 26 FT FIELD OF VIEW AT 1000 FT,MIN FOCUS 4.8 FT,CARRYING CASE 8 IN. BY 13 IN. | | SIGHTING DEVICE TYPE | TELESCOPE | | TELESCOPE LENGTH | 7.000 INCHES NOMINAL | | TELESCOPE TYPE | INVERTING | | TRIPOD | INCLUDED | | UNIT TYPE | TELESCOPING |
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