Details
A late 19th-Century French ballooning barograph,
the nickel-plated mechanism stamped with the maker's monogram and numbered 1542/6H, further stamped A. HAUSTETTER NEW YORK, with leather cover, window panel, spare charts and key, in mahogany case -- 7.1/8in. (18.1cm.) wide
the nickel-plated mechanism stamped with the maker's monogram and numbered 1542/6H, further stamped A. HAUSTETTER NEW YORK, with leather cover, window panel, spare charts and key, in mahogany case -- 7.1/8in. (18.1cm.) wide