CONVENTIONAL SYMBOLS
In a map, the objects are shown by symbols and not by names. So the surveyor should know the following standard conventional symbols for some common objects.
Subscribe to:
Post Comments (Atom)
(Case : 1 When the line of sight is horizontal and staff is held Vertical) Example 3
Example 3 A staff held vertically at a distance of 50 m and 100m from the centre of the theodolite with a stadia hair, the staff intercept w...
-
CROSS-STAFF AND OPTICAL SQUARE A. Cross-staff The cross-staff is a simple instrument for setting out right angles. There are three types... -
Sometimes happens that a survey line passes through some object such as a pond, the building, a river, a hedge etc. which prevents the dir... -
CONVENTIONAL SYMBOLS In a map, the objects are shown by symbols and not by names. So the surveyor should know the following standard convent...
No comments:
Post a Comment