HALLETT, Hastings

細節
HALLETT, Hastings
A recording aneroid barometer, with enamelled dial and blued-steel needle, over silvered scale divided into days of the week and various pressures, with rack-and-pinion daily pointers, in ebonised case with brass handle -- 8¾in.(22cm.)high

拍品專文

A similar barometer was sold in Scientific Instruments on 3 March 1994, lot 19.