Hilger Watts Theodolite — Manual

Look through the optical plummet. Adjust the tripod legs until the crosshairs of the plummet are centered directly over the ground mark. Step 2: Levelling the Instrument

Coarse locking screws paired with fine-adjustment tangent screws for both the horizontal (azimuth) and vertical (elevation) movements. 3. Step-by-Step Operating Instructions hilger watts theodolite manual

: A small, fold-out mirror below the signature would catch the sunlight, illuminating the finely engraved glass circles. Look through the optical plummet