Does not cover modern electronic distance measurement (EDM) as it predates most digital integration. Final Verdict
Hilger & Watts theodolites are iconic symbols of British precision engineering, widely respected by surveyors and collectors alike for their durability and optical clarity. This guide serves as a comprehensive overview of the procedures, historical context, and technical specifications for their most popular models . The Legacy of Hilger & Watts hilger watts theodolite manual
: Regular maintenance as per the manual is necessary to ensure the horizontal and vertical axes remain perfectly perpendicular. 4. Comparison with Modern Technology Does not cover modern electronic distance measurement (EDM)
For further historical context or to find specific missing parts, you can consult collector resources like the Science Museum Group Collection or specialized vintage equipment forums for a specific task like measuring verticality or adjusting for collimation error The Legacy of Hilger & Watts : Regular
Locate the small rotating eyepiece (usually near the telescope eyepiece or on the side of the instrument). This focuses the internal scale.