Hilger Watts Theodolite Manual Link 🔥 Best
The degrees, minutes, and seconds are then displayed and added to the reading [3]. 4. Basic Operation: Horizontal and Vertical Angles Measuring Horizontal Angles
The Hilger & Watts theodolite is more than a relic; it is a masterpiece of 20th-century optics. By following the original manual, you ensure that this precision instrument continues to provide the same accuracy today as it did when it first left the London factory.
October 2024.
Ensure the illumination mirrors are clean, untarnished, and angled correctly toward a light source. If using a battery attachment, check for wire corrosion or dead bulbs. hilger watts theodolite manual
Vintage brass, steel, and optical glass require deliberate care to prevent degradation and maintain structural calibration.
Depending on the model (No. 1 or No. 2), you will see illuminated glass scales.
Microptic transit theodolite, 1954 - Science Museum Group Collection The degrees, minutes, and seconds are then displayed
You might ask: "Isn’t using a theodolite universal? Point, read, record." This is dangerously incorrect for Hilger Watts instruments. Here is why the original is indispensable:
Refocus the crosshairs against a plain background before aiming at the target. Dried-out whale oil or grease
Note: If using a Watts No. 2 (10-second), the micrometer scale usually reads in minutes and tens of seconds. If using a Watts No. 1 (1-second), it reads minutes, seconds, and fractions of seconds. By following the original manual, you ensure that
By the late 1940s, Hilger & Watts had grown to employ around 1,300 people across six factories in southeast England. The company became particularly famous for its , which were notably more compact and lighter than earlier designs, weighing as little as 9 lbs (approx. 4 kg). In 1969, the company was acquired by the Rank Organisation, eventually leading to the sale of its surveying equipment business in 1979.
When searching for a , you must know your exact model number. Below are the most common models and what to expect in their respective manuals.
Lock the lower clamp and tighten the plate clamp.
