CAT NO: DIDACTICNMT0199
Plane Table With Metal Head.
Plane Table With Metal Head Use: For drawing site plans and maps and various engineering recordings during field surveys
Equipment parts
Plane table board
Brass circular disc
Compete with brass sight vane
Spirit level
Plumb bob
Plumbing fork
Magnetic compass
Canvas cover
Telescopic alidade
Wooden stand.
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