Hilger Watts Theodolite Manual Jun 2026

In the pantheon of precision surveying instruments, few names command as much respect among collectors, historians, and field practitioners as . For much of the 20th century, this Anglo-British firm (itself a merger of Adam Hilger, Ltd., and E. R. Watts & Son) produced some of the world’s finest optical-mechanical theodolites. Today, these instruments—robust, heavy, and exquisitely engineered—remain in use across developing nations, in teaching laboratories, and on restoration projects.