Aquaculture Engineering

Plane table surveying - Instruments

Unit 1- Surveying

Plane table surveying

Instruments used for plane table surveying

• Plane table with levelling head having arrangements for i) Levelling ii) Rotation about vertical axis iii) Clamping in any required position
• Alidade for sighting
• Plumbing fork and plumb bob
• Spirit level
• Compass
• Drawing paper with a rainproof cover