Engineers Dumpy Level

Description

We are supply and Export of Ranging Rod that made of steel conduct pipe of 25mm dia. Alternatively painted international orange & white.

Sizes Available

• Size 2 meter single • Size 3 meter single • Size 2 meter 2 fold • Size 3 meter 3 fold

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.

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.

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.