Barograph

Barograph.

Consists of a wooden base 14" x 8.5" x 8.25" (35.6 x 21.6 x 21.0 cm), with drawer under. A brass plate is mounted on top of the base at one end of which is mounted a brass cylinder dia. 2.75" (9.5 cm), containing a clock mechanism, which carries a paper chart (packet of charts supplied). At the other end of the brass plate is mounted an aneroid barometer mechanism with recorder arm and pen, which records the atmospheric pressure on the paper chart. A rectangular glazed cover is fitted over the mechanism.
Complete with a packet of paper charts.

Object Details

ID: NAV0772
Type: Barograph
Display location: Not on display
Creator: Negretti & Zambra
Date made: circa 1930
Credit: National Maritime Museum, Greenwich, London
Parts: Barograph