Details
NEGRETTI & ZAMBRA, London
A Tycos barograph, with clockwork mechanism, recording stylus, (damaged) vacuum chamber and ink bottle, in bevel-glazed mahogany case with drawer in base -- 14¼in.(36cm.)wide
A Tycos barograph, with clockwork mechanism, recording stylus, (damaged) vacuum chamber and ink bottle, in bevel-glazed mahogany case with drawer in base -- 14¼in.(36cm.)wide