Octangonal 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.

Description

The Hand Level is a small, economical level for use with preliminary surveys to determine traveller way or cable way steel work elevations and other feasibility type site reconnaissance work. The Abney Level is very similar to a clinometer in that it is used to measure the value of a slope by means of arc measure and grade percentage.

Specification of Abney Level

• Used to determine slope angle, tree heights etc • Graduated 0-+/-90 degrees, 0-+/-100% on a stationary arc • Vernier reads to 10 • Scale pointer incorporates friction thumb lock • Includes carry case

Description

Ranging Rod that made of steel conduct pipe of 25mm dia. Alternatively painted international orange & white. Fitted with strong iron shoe at the bottom.

Sizes Available :

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

Description

We are offering a wide range of Ghat Tracer to our customers as per their requirements and to the full satisfaction of them. It is made of steel , iron & brass.