Scientific Instruments
Brass microscopes on original mahogany bases; barometers and hygrographs; chemistry glassware in graduated sets; theodolites and transits still true to arc-second precision. Working or restorable; we can refer restoration to trusted specialists in Boston, London, and Vienna.
London-made brass compound scope, serial 8842, on Watson's stiff-limb stand. Three original objectives, all clean.
Black-crackle finish dissecting scope with paired paddle mirrors and rotating stage plate. Serial dated to 1932.
Forty-eight diatom slides in a fitted mahogany cabinet. Hand-lettered species labels, one drawer of arranged mounts.
London Fortin mercury barometer in mahogany cabinet. Mercury intact, reads within 0.5mb of modern reference.
8-inch Short & Mason aneroid in an oak wall case. Movement calibrated, silvered dial gently retoned.
Paris-made clockwork drum recorder, temperature and humidity on paper charts. Runs, writes, satisfies.
London-built 6-inch transit theodolite, silvered circles, all axes free. Original mahogany case, later oak tripod.
Brass prismatic compass, mother-of-pearl card, in original stitched leather pouch. Reads true and quickly.
Two-pan analytical balance in glazed mahogany case. Reads to 0.1 mg with the rider, agate bearings clean.
Complete apothecary set, one dram to one grain, in a fitted mahogany block. Reads within tolerance across the range.