Simple Theodolite Theodolite, Simple, Home appliances
How To Make A Theodolite - How To Make. If the earth were flat then the ocean horizon would be in line with the top edge. In the first case, the user must independently establish physical objects that will act as reference points for calculations.
Simple Theodolite Theodolite, Simple, Home appliances
Glue it firmly.now place a stick on the center of disk which can. Micrometer theodolite is that type of theodolite in which micrometer is provided for reading out graduated circle. A balloon is released in front of the. The pibal theodolite uses a prism to bend the optical path by 90 degrees so the operator's eye position does not change as the elevation is changed through a complete 180 degrees. The theodolite is typically mounted on a rugged steel stand, set up so it is level and pointed north, with the altitude and azimuth scales reading zero degrees. This data can further be used to calculate the height of the object from the ground. Locate your desired reference point that you wish to set up above. Verify that the tripod’s legs are firmly pressed into the ground for stability. Take intermediate points ae1, ae2. The eyepiece of the telescope is used to find the target.
Rotate the theodolite body 90 degrees to the left. Make sure that the bubble is perfectly centered in the viewable area. If the electronic model is used, zero marks will be fixed automatically. This is useful if the measured values are to be recorded with magnetic north as the meridian. So i decided to try making a very simple theodolite, which is basically a cheap 48 inch spirit level with a bit of cardboard stuck on the end. Adjust the plummet using the knobs on the bottom. Repeat until the bubble is centred for all four positions. 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. On this basis, you measure angles and distances. (better to pin it using a nail. Place the theodolite on a roughly leveled tripod.
