Hilger Watts Theodolite Manual |link| Jun 2026

However, acquiring one of these brass and steel giants is only the first step. To truly operate, maintain, or restore one, you need the Rosetta Stone of the device: the .

Reading the Angles (The Microptic System)Hilger & Watts manuals emphasize the use of the optical micrometer.Look through the small reading eyepiece adjacent to the main telescope.You will see three scales: the vertical circle, the horizontal circle, and the micrometer scale.Use the micrometer knob to align the graduation lines within the viewing window.Add the degrees from the main scale to the minutes and seconds shown on the micrometer for your final reading. Maintenance and Care hilger watts theodolite manual

Look for a small engraved plate on the base of the tribrach or inside the lid of the carrying case. Numbers like "Microptic T2/T3" or "Tavistock 52" are the keys. However, acquiring one of these brass and steel