Secure the theodolite to the tripod head using the central fixing screw.
If you attempt to use the theodolite without the manual, you will likely encounter these issues:
Hilger & Watts produced several theodolite models, each with unique features. Understanding the model is the first step to finding the correct manual, which is often listed by model number (e.g., ST-156) or catalogue number (e.g., CS 16/4). 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.
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. Secure the theodolite to the tripod head using
For decades, the name was synonymous with British precision engineering. Their theodolites were the workhorses of global infrastructure, used to map rugged terrains, align massive industrial machinery, and survey the foundations of modern cities.
To maintain the precision of a Hilger & Watts theodolite, periodic adjustments are necessary, as detailed in the original . Formed in 1948 by the merger of Adam Hilger Ltd
Turn these screws in opposite directions to center the bubble.
Websites like the Land Surveying History archives, The Virtual Museum of Surveying , and various university civil engineering departments frequently host free, downloadable PDF scans of original E.R. Watts and Hilger & Watts instruction booklets.
Understanding the physical components of your Hilger & Watts instrument is essential before attempting any adjustments or field measurements.
Using the wrong oil destroys vintage brass gears.
