clinograph

clinograph

[′klī·nə‚graf]
(engineering)
A type of directional surveying instrument that records photographically the direction and magnitude of deviations from the vertical of a borehole, well, or shaft; the information is obtained by the instrument in one trip into and out of the well.
References in periodicals archive ?
In addition, the clinograph can be employed to display frequency counts of each class by its bar length.
Cumulative frequency diagrams such as ogives and clinographs have been used by cartographers to design class intervals (see, for instance, Mackay 1955, Jenks and Coulson 1963).