: When lowering the instrument, align the base (tribrach) according to any internal markings. For example, some models require aligning a convex mark on the instrument with a concave mark on the base.
To "repack" a Hilger & Watts theodolite effectively, you must follow a specific sequence to ensure this 9-pound precision instrument is secured without damaging its delicate glass scales or internal micrometer drums. 1. Preparation for Storage hilger watts theodolite manual repack
John found the weathered box in the back of his late uncle’s workshop, half-buried under a coil of rusted wire. The leather strap had long since frayed; the brass clasp hung loose. On the lid, stamped in faint letters, were two words: HILGER WATTS. Inside, wrapped in oilcloth, lay a brass theodolite whose surface caught the light like a small, stubborn sun—and beneath it, a slim booklet bound with a single red thread. : When lowering the instrument, align the base