Details
An unusual 19th-Century brass analysis instrument,
signed S. Salleron a Paris, with finely engraved circle and vernier, the main tube 4in. (10.1cm.) dia., 18½in. (48cm.) dia.,with pump valve and filler funnel, located on an arm adjacent to the lower mounting, with lens and reflecting mirror, mounted on a mahogany plinth base -- 31in. (79cm.) wide; with two accessory specimen tubes
See Illustration
signed S. Salleron a Paris, with finely engraved circle and vernier, the main tube 4in. (10.1cm.) dia., 18½in. (48cm.) dia.,with pump valve and filler funnel, located on an arm adjacent to the lower mounting, with lens and reflecting mirror, mounted on a mahogany plinth base -- 31in. (79cm.) wide; with two accessory specimen tubes
See Illustration