MINOR INTRUMENTS
Minor Instruments are light and
handy instruments used in surveying for
1. Measurement of horizontal and vertical angles
2. Measurement
of slope of the ground
3. Calculation
of areas
4. Enlargement
and reduction of maps
USES OF MINOR
INSTRUMETS
1. To fix best
possible route in alignment of roads
2. To locate
the points on a given grade
3. To measure
the angle of slope
4. To trace
Grade Contours
5. To find
height of the objects quickly.
6. To measure
the horizontal and vertical angles quickly
7. To
Calculate the area of an irregular map
8. To enlarge
or reduce the size of a given map
9. To carry
out Reconnaissance and Preliminary surveys, quickly
10. When it is
difficult to carry and handle heavy equipment
MINOR
INSTRUMENTS USED IN SURVEYING
1. Hand Level
2. Proportional
Compass
3. Pantagraph
4. Planimeter
5. Box sextant
6. Cylone Ghat
Tracer
7. Abney Level
8. Indian
pattern Clinometer
9. De –
lisle’s Clinometer
10. Wat Kin’s
mirror Clinometer
11. Foot rule
Clinometer
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