altigraph, n. rare.
(ˈæltɪgrɑːf, -græf)
[f. alti- + -graph.]
An altimeter which produces a graphical record of its measurements.
| 1927 Daily Express 20 May 1/3 A sealed altograph [sic]..recorded a height of sixteen thousand feet when they returned. 1937 C. G. Philp Conquest of Stratosphere x. 83 The equipment consisted of special ventilators, altigraphs, thermographs, photographic cameras and other apparatus. |