Eraser

EQUIPMENT USED FOR CHAIN SURVEYING The following equipments are used for chain surveying (a) Metric chain (20 or 30 m) (b) Arrows (c) Metallic tape (d) Ranging rods (e) Offset rod (f) Cross-staff or Optical square (g) Plumb-bob (h) Wooden pegs (i) Mallet (J) Field book (k) Pencils, Eraser, Knife etc., CHAIN Chains are prepared … Read more