Compass Surveyor BUSSOL BSh-1 USSR Russian 1985 year № 627

Description

New in original packaging, removed the factory seal for photos
The Bussol of the mine surveyor BSh 1 is intended for measuring the magnetic azimuths and bearing directions; used for reconnaissance work and eye survey of the area.
Boussol is a cylindrical body, inside of which there is a goniometric dial in the form of a ring. The limb is attached to the magnetic needle and rotates with it at the tip of the spire. Boussol has folding object and eye diopters, reinforced on the outside of the case.A feature of the compass design is the device of an optical eye diopter in the form of a magnifying glass, which allows, when sighting an object, to simultaneously observe a part of the limbus with divisions and to read along the limb, using the lower part of the thread of the object diopter as an index. Boussol is equipped with a locking device.
SPECIFICATIONS
- The division price of the limb is 1 degree;
- limb diameter - 65 mm;
- limits of measurement on a scale - 360 degrees;
- measurement error of azimuths and points - 30 ′;
- increase in optical diopter - 10;
- length of the apremetric diopter - 93 mm;
- temperature range - from -30C to 50C;
- dimensions - 112x78x100 mm;
- weight - 0.2 kg.
Manufacturer: IPZ (Raisin, USSR)
Year of issue: 1978
Serial number: 01150
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