Description
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Survey Compass
Description
• Compass survey is a method of surveying by taking bearings and linear distances to produce plan.
• Bearing is measured using prismatic compass, while the linear distance is measured using measuring tape.
• Bearing in compass surveying means angle is made by chain line or survey line by referring it to magnetic meridian or magnetic north.
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Optical Auto Engineers Level
Features
• Excellent shockproof function. • Exclusive closed magnetic field, magnetically-dampened compensator. • Friction-braked rotation and endless horizontal drive. • Prism for viewing circular vial. • Water, dust and dirt proof. • Comes with a years warranty. • Full back up and repair service available.
Box Sextant With Leather
Description
Cylindrical brass sextant in leather case. The sextand has pull out eyepieces, silvered scale and vernier magnifier on a hinged arm. The brass cover screws onto the base as a handle. The leather case is embossed with a flower on both sides. The case has an attached cover which fastens with a strap. The inside of the case is lined with purple velvet like material. Maker's mark on sextand, embossed stamp on case.
Levelling Staff
Specifications :
• The levelling staff of sturdy design that meets the requirements for intensive field work. • The staff material should be one of the following: teak, cypress, kail, aimi, champ, hollock or aluminium alloy. • If timber is used as staff material, then it has well seasoned, sawn in radial direction and free of defects. • The staff is telescopic, comprising three sections without any joint in length. • The top plate made of aluminium, anodised black. • Length 4 mAccessories
• Circular bubble sensitivity of 25 minutes per 2 mm run. • Carrying case canvas. • Plummet fittings for test and adjustment of bubble.
Brunton Compass
Description
We offer Brunton Compass (Geological Compass) which is available in a leather or wooden case. This compass differs from modern compasses, as it utilizes magnetic induction damping rather than fluid to dampen needle oscillation. It is widely used by geologists and surveyors to make accurate degree and angle.
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