Understanding the physical components of your Hilger & Watts instrument is essential before attempting any adjustments or field measurements.
[ Objective Lens ] | [ Telescope Barrel ] --- (Focusing Ring) | (Vertical Clamp) --- [ Standards ] --- (Optical Reading Eyepiece) | [ Horizontal Clamp ] | [ Tribrach Base ] | (Footscrews x3) hilger watts theodolite manual
Sight the first point, release the horizontal circle clamp, and turn the scale to zero using the micrometer knob [2]. Understanding the physical components of your Hilger &
Search for "Hilger Watts manual" as a standalone listing. Sellers who part out broken theodolites often list the original booklet. Expect to pay $40–$100 for a pristine, original printed manual. Sellers who part out broken theodolites often list
If knobs are stiff, they may need cleaning and re-lubricating by a professional [3]. Where to Find Original Manuals
These instruments are vintage precision tools. They require specific care that modern total stations do not.
Vertical angles on Hilger & Watts instruments are usually referenced to the (straight up = 0°).