Details
A gilt-brass cased pocket aneroid barometer,
unsigned, with silvered dial, in plush-lined leather-covered case -- 2¾in. (7cm.) long; and a Negretti & Zambra barometer setting volvelle (2)
unsigned, with silvered dial, in plush-lined leather-covered case -- 2¾in. (7cm.) long; and a Negretti & Zambra barometer setting volvelle (2)