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.
• 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 m
Accessories
• Circular bubble sensitivity of 25 minutes per 2 mm run.
• Carrying case canvas.
• Plummet fittings for test and adjustment of bubble.
The Plane Table Surveying Instruments include standard accessories like Trough Compass, Spirit level, Canvas cover, Plumbing Fork etc., and is also with a fitted tripod.
Uses of Plane Table in Engineering Surveys:
• Maps preparation
• Recording topography
Accessories included in Plane Table Surveying Instruments:
• Plane Table Board 750 x 600 mm, thickness 22mm & 16mm
• Carrying Bag for Board
• Teak wood Polished Stand
• Stand Rigid Brass Head & Plate,
• Magnet Trough compass brass
• Spirit Level brass
• Sight van 24"
• Plumbing Fork
• Plumb Bob
Our expertise enables us to develop a broad range of measuring and survey equipment and instruments such as Line Rangers.
Manufactured using high grade metal and alloys, these line rangers can be availed in standard as well as customized sizes and specifications.
Used for various testing and measuring activities by our clients, our range can be availed at most descent prices.
• 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.
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
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