細節
NEGRETTI & ZAMBRA, London
A black-painted Surveying & Aneroid Compensated barometer, No. 119, with magnafier, silvered-dial and blued-steel needle, in leather case
A black-painted Surveying & Aneroid Compensated barometer, No. 119, with magnafier, silvered-dial and blued-steel needle, in leather case