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National Stock Number:
6675-01-081-4899
Federal Supply Class:
6675
National Item Identification Number:
010814899
Description:
TRANSIT
Detail:
AN INSTRUMENT HAVING TWO COAXIAL CENTERS, ONE INSIDE THE OTHER. A TELESCOPE IS ATTACHED TO THE INNER CENTER AND MOUNTED IN SUCH A MANNER THAT IT MAY BE ROTATED IN VERTICAL OR HORIZONTAL ARCS. THE OUTER CENTER CARRIES THE HORIZONTAL SCALE. THE TELESCOPE AND HORIZONTAL CIRCULAR SCALE MAY ROTATE ABOUT THE SAME AXIS, INDEPENDENT OF EACH OTHER, OR INTEGRALLY, AS A SINGLE UNIT. THE SCALES ARE READ VISUALLY BY MEANS OF VERNIERS. THE INSTRUMENT IS USUALLY LEVELED BY MEANS OF FOUR LEVELING SCREWS. IT IS USED FOR MEASURING HORIZONTAL, OR HORIZONTAL AND VERTICAL ANGLES. EXCLUDES TRANSIT, POCKET.
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Manufacturer Information:
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Techincal Specification:
| AUXILIARY TELESCOPE | NOT INCLUDED | | COMPASS | INCLUDED | | DIAMETER MAGNIFYING POWER | 28.0 NOMINAL | | FOCUSING TYPE | INTERNAL | | HORIZONTAL CIRCLE DIAMETER | 6.000 INCHES NOMINAL | | HORIZONTAL CIRCLE MINIMUM GRADUATION UNIT | 20.0 SECONDS | | HORIZONTAL CIRCLE VERNIER QUANTITY | 2 | | ILLUMINATED FEATURE | NOT INCLUDED | | SIGHTING DEVICE TYPE | TELESCOPE | | TRIPOD | NOT INCLUDED | | VERTICAL CIRCLE MINIMUM VERNIER GRADUATION UNIT | 1.0 MINUTES | | VERTICAL CIRCLE | INCLUDED | | VERTICAL CIRCLE MINIMUM GRADUATION UNIT | 30.0 MINUTES | | STADIA HAIR | NOT INCLUDED | | STRIDING LEVEL | NOT INCLUDED | | TELESCOPE LENGTH | 9.500 INCHES NOMINAL | | TELESCOPE TYPE | ERECTING |
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