Burnt sienna

Burnt timber

Crimson Lake

Prussian blue

Technique of tracing

Method of reproduction

Sequence of tracing

Should be traced in tracing cloth

One of the advantages of plane table survey

One of the disadvantages of plane table survey

Survey can be done in dense wood areas

Great skill is required

Chain survey

Compass survey

Engineering survey

Plane table survey

Great triangle

Scalene triangle

Isosceles triangle

Equilateral triangle