Hilger Watts Theodolite Manual Fixed File

For those who own a vintage Hilger & Watts theodolite, the manual is indispensable. It bridges the gap between a "beautiful brass object" and a working scientific tool. It provides the specific specifications—such as magnification power and plate vial sensitivity—that define the instrument's capabilities. Pros and Cons

A "one-minute" instrument used for general construction and land surveying. It reads directly to 20 seconds of arc and is perhaps the most common model found today. hilger watts theodolite manual

: Record the horizontal and vertical angles from the optical scales. Manual models require the user to visually interpret the scale through a reading microscope. 3. Accuracy and Error Correction For those who own a vintage Hilger &