Bidspirit auction | Mahogany stick barometer with arch

Mahogany stick barometer with arch pediment, brass urn finial, silvered scale plates engraved A. Abraham Optician Liverpool, alcohol thermometer, vernier slide, and turned cistern cover, circa 1830-50. The Abraham family were prominent 19th-century Liverpool opticians and scientific-instrument makers, noted for precision barometers and telescopes.