Details
A late 19th-Century barograph,
unsigned, with a maker's trademark and numbered 732, the lacquered-brass mechanism with unusual horizontally-mounted aneroid, the recording drum with single card and key, with recording ink bottle and glazed mahogany case -- 14½in. (36.8cm.) wide
See Illustration
unsigned, with a maker's trademark and numbered 732, the lacquered-brass mechanism with unusual horizontally-mounted aneroid, the recording drum with single card and key, with recording ink bottle and glazed mahogany case -- 14½in. (36.8cm.) wide
See Illustration