Abstract:
Diagonal scales are widely used by cartographers,
surveyors and Engineers in Measuring
or setting off distances upon geometrical and
other drawings, maps plans etc. with correctness
aimed at upto one hundredth part of milieter.
Different materials are used for the
anufacture of these scales such as brass and
other rust proof materials.. However this
cherne envisages manufacture of acrylic and
brass diagonal scale etc. Protractors are used
cartographers, surveyors and engineers for
measurement of angle or laying out angles of
iven values and checking angular work and are
madeof acrylic sheets. Flat rules made of aeryic
or PVC material are used by surveyors by
Joiningtwo points for working on plane table in
e field.
