barograph
(ˈbærəgrɑːf, -æ-)
[f. Gr. βάρο-ς weight + -γραϕος -writing, -writer; cf. telegraph.]
A barometer constructed on the aneroid principle, actuating mechanism which records automatically the variations in atmospheric pressure.
| 1865 Reader 9 Sept. 291/3 The self-recording barograph continues in operation. 1884 Weekly Scotsman 9 Feb. 4/1 A barometric chart—secured by means of the barograph. |