Lot 1837
A POCKET BAROMETER BY NEGRETTI AND ZAMBRA.
An aneroid pocket barometer with a 4.5cm silvered dial marked 'Compensated Negretti& Zambra, London, 6412' engraved to the rim of the case 'James Wilson in Memoriam GWM Umritzur 23 Sept 1874' the reverse with an armorial animal above motto 'Omnia Vincit Amor' the suspension with partial rubbed hallmarks, in a leather covered Negretti and Zambra travelling case, 6.5cm wide.
