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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.
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.
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.
Prismatic Compass
Description
• Made of Aluminium/brass. • Size 100mm, 125 mm, 150 mm dia. • Complete in Case with Aluminium Telescopic/Rigid/Wooden Tripod. • Aluminium circle consist of a needle graduated to 30min (0.5) graduations. • Painted with water proof paints. • Carrying cases are made of Fibre with carrying straps. Least count 30'.
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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