1870s Theodolite Troughton and Simms Antique Scientific Instrument of Measurement For Sale at 1stDibs | troughton and simms, theodolite antique, troughton and simms theodolite
Antique Scientific Instruments | Scientific Instruments for Sale | Olde Time
Scientific instruments - Van Leest Antiques
Antique Scientific Instruments | M.S. Rau
Antique Cased Microscope, English, Scientific Instrument, Watson of London, 1920 in Antique Scientific Instruments