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Plane Table Accessories

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What is Plane Table?
This is a typical surveying instrument useful in filed surveys. It has a horizontal drawing board and a ruler, mounted on a tripod along with necessary accessories.

Plane table is a surveying instrument consisting of a horizontal drawing board and a ruler that are mounted on a tripod; used to sight and map topographical details. With the help of this instrument, survey data can be obtained and plotted in the field.

Plan Table Features
The important features are :

The average size of plane table is 750 mm x 600 mm.
They are usually made of best seasoned Fir wood with Teak wood battons at the back.
Battons have slots for screws made of brass, washers and nuts for clamping.
The table is provided with metallic head and disc with all necessary accessories.

Plane Table Accessories
Accessories supplied with plane table are :

Sight Vanes
Magnetic Compass
Spirit Level
Plumb Bob
Plumbing Fork
Canvas Cover
Highly polished Teak Wood Stand

Uses of Plane Table Accessories
These are very useful for various kinds of filed surveys. Its important uses are :

Mapping can be done with the help of this instrument.
With the help of these tables, surveyor can use many different methods to collect data.
Chain, offset and many more taped methods or graphical techniques could be used along with the instrument to complete a survey.
Using these table increases the accuracy, speed and efficiency of the survey.

Plane Table Accessories Application
Plane accessories is mainly used for carrying out various operations in field surveys. Some of the areas where are used are :

Mapping
Mobile Geographical Information System
Topographic Surveys

Tags:- Plane Table, Survey Plane Table

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