Before operating a Hilger & Watts instrument, it is vital to identify its primary controls, clamps, and optical components.
Formed in 1948 by the merger of Adam Hilger Ltd. and E.R. Watts & Son, the British firm Hilger & Watts became a global benchmark for optical and scientific instruments. Their theodolites, particularly the series, revolutionized field surveying by introducing highly legible glass circles read through an internal optical system, replacing the cumbersome external vernier scales of older brass instruments. Key Models You May Encounter:
Secure the theodolite to the tripod head using the central fixing screw. hilger watts theodolite manual
Formed in 1948 by the merger of Adam Hilger Ltd. and E.R. Watts & Son, the company combined cutting-edge optical engineering with masterful mechanical craftsmanship.
Enthusiast groups for "Vintage Surveying Instruments" are excellent for crowdsourcing specific pages. Conclusion Before operating a Hilger & Watts instrument, it
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
Understanding the external controls and optical pathways is the first step to proper operation. Watts & Son, the British firm Hilger &
To ensure the accuracy and reliability of the Hilger Watts theodolite, regular calibration and maintenance are essential. The instrument should be calibrated at regular intervals, using a calibration certificate to verify its accuracy. The following maintenance procedures should also be performed: