Hilger Watts Theodolite Manual [updated] -

This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.

Built to withstand harsh field environments while maintaining sub-arc-second precision.

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. hilger watts theodolite manual

This is a comprehensive guide to operating and understanding the (specifically the popular Watts No. 1 and No. 2 models). These are classic British surveying instruments from the mid-20th century, renowned for their precision and tank-like durability.

Before searching for a , you must identify the model. Look for the silver or black badge on the side of the standard (the A-frame). Here are the three most common models you will encounter: This public link is valid for 7 days

The Hilger & Watts Microptic theodolite is a compact, high-precision transit instrument . Its key features include: Science Museum Group Collection Optical Micrometers : Used for accurate readings on glass circles. Internal Illumination : Often equipped for low-light use. Transit Telescope : Designed to swivel completely, allowing for quick back-sighting and error correction. Science Museum Group Collection 2. Setup and Leveling accuracy and precision in measurement: : Secure the instrument to the using the central mounting knob.

Always use the silica gel pack in the carrying case to prevent fungus growth inside the lenses [3]. Can’t copy the link right now

However, finding a comprehensive can be a challenge. This article serves as a guide for operating, adjusting, and maintaining these vintage surveying instruments. 1. Introduction to Hilger & Watts Theodolites