Description
Error: Contact form not found.
Octangonal Cross Staff
Description
We are supply of Octagonal Cross Staff as per the set industry Standards.
Related products
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.
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.
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.
Prospector Tilting Level
Description
Size 178 mm /7 Internal focusing, anti reflection coated optics with tilting arrangement and Fitted with revolving horizontal circle graduated to read 6 minutes with vernier and a provision to preset zero degree quickly. The tilting drum is graduated to read 1 : 5000 is incorporated for fine adjustment and accuracy. Supplied with accessories and adjusting tools Packed in PVC Plastic box with Aluminium telescopic stand in carrying canvas cover.
Abney Level
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
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.
Reviews
There are no reviews yet.