Hilger Watts Theodolite Manual ❲Authentic - MANUAL❳

Read the single minutes and seconds directly from the separate micrometer scale window below it. 4. Field Observation Techniques

Look along the external gun-sights on top of the telescope to align it with your target (e.g., a surveying prism or ranging rod). Clamp the motions.

Daylight pivoting mirrors or attachable battery-operated lamp housings for night/underground work. The Microptic No. 2 (1-Second Instrument) hilger watts theodolite manual

If the theodolite is exposed to damp air or rain in the field, wipe it down immediately with a soft towel. Leave the instrument out of its case in a warm, dry room overnight to ensure all internal condensation evaporates completely before long-term storage.

While competitive European manufacturers like Wild Heerbrugg dominated continental markets, Hilger & Watts became the workhorse of the British Commonwealth and military forces. Their instruments are characterized by: Read the single minutes and seconds directly from

Exquisite technical drawings that are works of art in themselves.

Vintage optical instruments require careful maintenance to retain their legendary precision. Checking for Collimation Error Clamp the motions

. Any significant deviation indicates a collimation error that requires mechanical adjustment via the reticle screws. 6. Sourcing Original Manuals and Digital PDFs