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Uses of Theodolite. Use of theodolite;. ? Mapping applications and in the construction industry ? Measurement of Horizontal and vertical angle. ? Measurement of magnetic bearing of lines. ? Locating points on line. ? Prolonging survey lines. ? Determining difference in elevation. ? Setting out curves. ? Aligning
Rotation of the upper plate about the alidade axis is known as traversing the instrument. The horizontal plates can be levelled by means of three foot screws located beneath the lower plate, in a similar way to a level. Simplified Diagram Of An Early Vernier Theodolite. Showing Most Of The Main Components. Telescope.
Welcome to this another lecture on basic surveying. Today we are going to start a new module. This is module number 5, and we will be talking about theodolites and total stations in this module. These are the instruments, very important instruments, and we cannot think of doing surveying without these instruments. So, this
THEODOLITE: INTRODUCTION. INTRODUCTION. Theodolite is used to measure the horizontal and vertical angles. Theodolite is more precise than magnetic compass. Magnetic compass measures the angle up to as accuracy of 30'. However a vernier theodolite measures the angles up to and accuracy of 10'', 20".
THEODOLITE SURVEYING. THEODOLITE SURVEYING. 1. Panchal kaushik b. -130460106039. Chaudhary het j. -130460106009. Patel harshkumar s. -130460106051. THEODOLITE SURVEYING. So far we have been measuring horizontal angles by using a Compass with respect to meridian, which is less accurate and
ment~—the same plane which bisects the photo- graphic lens and passes through the axis of revolution of the internal magnetic compass and the vertical hair in the camera. Vertical limb divided to half degrees, moving with the telescope with ?tted vernier to read to minutes. Revolving tubular level let into a socket in the roof
27 Sep 2011 These angles are defined with respect to local gravity: altitude ALT is the angle up from the horizon, zenith distance Z is the angle from the vertical, so ALT = 90? - Z. You will be using a Universal Theodolite, model Wild T2, for these measurements. A scan of the full documentation for this device is located on.
THE THEODOLITE. As an angular instrument, the theodolite has from time to time received such improvements that it may now be considered as the most valuable instrument employed in Surveying. Instruments of this kind, of the best construction, may to a certain extent be used as altitude and azimuth instruments; and
TRANSIT AND THEODOLITE. ? Primary function is the accurate measurement of layout of horizontal and vertical angles. ? Other function. ? Determining horizontal and vertical distances by stadia. ? Extending straight lines. ? Differential levelling. 3
notes theodolite.pdf - Download as PDF File (.pdf), Text File (.txt) or read online. theodolite.
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