Carefully extract the tangent screws (E1, E2) and the leveling footscrews .
For more information on the Hilger Watts theodolite manual repack, consult the following resources: hilger watts theodolite manual repack
Use the torque wrench to adjust the movement of the theodolite's horizontal and vertical circles. Refer to the Hilger Watts theodolite manual for specific torque settings. Carefully extract the tangent screws (E1, E2) and
October 26, 2023 Subject: Analysis and Strategy for the Re-Packaging of Hilger & Watts Theodolite Manuals Prepared For: Archives & Technical Heritage Collection October 26, 2023 Subject: Analysis and Strategy for
: Using a safe solvent (historically dry-cleaning solvents or mineral spirits) to remove old, gummed-up grease from the spindles and tangent screws.
These were not merely instructions. They were a map of how the instrument had been used in the world: for deeds, for fences, for church spires counted off in summer light. The theodolite had been a mediator between land and memory. Each note bundled a conversation—between surveyor and neighbor, between instrument and ground—saved as practical advice for the next set of hands.