Description
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Tribrach
Description
Tribrach with Circular Bubble without Optical Plummet.
For accepting above Adaptor
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Rain Gauge
Description
Rain gauge is designed to measure the precipitation. This small Version consisting of upper and lower housing part, measuring cylinder; Housing made of stainless steel, orifice rim made of brass. Type 7019.0000 can be supplied with a receiving area of 100 cm2. (This type is not conforming to meteorological standards). • Receiving area : 100 cm². • Rain measure (graduated glass) : 250 cm³. • Measuring range : 0 t0 25 mm precipitation (relative to a receiving area of 100 cm²). • Graduation : 1/1 mm precipitation. • Dimensions : dia 115 mm; height 300 mm. • Weight : approx. 0.8 kg.
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.
Electronic Digital Theodolite
Description
This cost-effective Electronic Digital Theodolite provides excellent performance, reliable quality and practical operation for any construction application. The body style is similar to a Topcon Digital Theodolite and is combined with easy to use operation. The smart appearance and reasonable structure is as attractive as its price. • Tribrach. • AA Rechargeable Batteries (4 each). • Lens Cap. • Operator's Manual. • Hard carrying 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.
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.
Clinometer Compass
Description
Clinometer Handle Compass is a reproduction of an antique Clinometer compass. The Handle Compass gets its name from its "handle" shaped sight, which actually serves two purposes With the compass level, an object can be viewed through the peep sights to determine its magnetic heading. The second and most interesting purpose is when tilting the compass on its side and viewing an object through the sights, its angle of elevation or declination can be found. A weighted pendulous arm beneath the compass needle can be read from one of three scales : Angle in degrees beneath the zenith (from straight up), angle in degrees of elevation or declination, and in inches per yard of slope. The compass has a needle lift mechanism to protect the compass jewel and the pendulous arm when being transported.
Cross Staff
Description
The Cross-Staff was used at sea from the beginning of the 16th century until the first half of the 18th century. It was used to measure the sun's altitude, especially at the meridian passage. With the knowledge of the sun's declination, the mariner could then obtain his latitude. The staff is original, with the inscription. The cross pieces are replicas. Different cross pieces were used depending on the altitude. A different scale is on each side of the staff.
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