How To Make A Simple Theodolite by Group 22 YouTube
How To Make A Theodolite - How To Make. Rotate,glue it wisely.now attach the 2nd disk laterally,perpendicular. Record the horizontal and vertical angles using the.
How To Make A Simple Theodolite by Group 22 YouTube
Center the bubble with the third footscrew. Rotate,glue it wisely.now attach the 2nd disk laterally,perpendicular. The eyepiece of the telescope is used to find the target. To the 1st disk,on the stick. Set bottom and top’ vernier scale to zero and clamp top plate screw. Unlock the upper horizontal clamp, and rotate the theodolite until the arrow in the rough sights is lined up with the point you wish to measure, then lock the clamp. It is a very accurate way to measure angles. Screw the theodolite on to the tripod. This is useful if the measured values are to be recorded with magnetic north as the meridian. Points b and c should be kept absolutely undisturbed where theodolite is to be shifted.
Verify that the tripod’s legs are firmly pressed into the ground for stability. This is most often a survey marker or a hilti nail or a pk nail. It is the process of setting theodolite exactly over the station using a plumb bob. A balloon is released in front of the. You rest this on something and adjust it so it is level. Use the upper horizontal adjuster (not the clamp) to align the. Aim the crosshairs in the main scope at the point to be measured. Shift and fix the theodolite on point ‘b’. You then look along the top edge and see where the ocean horizon is relative to that. The target is made clear by using the focusing knob on the instrument. Analysis of the competitive intensity of the industry based on.
