Use: For drawing site plans and maps and various engineering recordings during field surveys
Equipment parts
Speculations
Spirit level
Meeting BS 3509:1962
Specifies dimensional, constructional and performance requirements for a range of spirit level vials - both cylindrical and circular - and describes a recommended method of testing.
Plumb bob
Brass Plumb Bob with waxed string. Small size - stows easily into Bike Fit Systems Cleat Screw Kit, measuring 1" in length. The Plumb Bob is a standard component of the Bicycle Fitting System.
Telescopic alidade
Telescopic alidade with compass on brass base and foot screws & bubble,
Compass dia 8.8 cms,
Telescope's lens 25 mm.
Magnification 15 X,
Telescope extended: 32 cms, collapsed 23 cms,
Prismatic compass
Complying to ISO 8729:1999.
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
with a fitted tripod, Size :board 600mmx750mm
Plane table board
High quality fir wood with hard wood battens (meeting at the back fitted with brass screws and washers, meeting BS 4978:1996 nuts for clamping