düşeyölçer

listen to the pronunciation of düşeyölçer
التركية - الإنجليزية
cathetometer
An instrument used to measure small vertical distances
It consists of a telescopic leveling apparatus (d), which slides up or down a perpendicular metallic standard very finely graduated (bb)
of the differences in the height of the upper surfaces of two columns of mercury or other fluid, or of the same column at different times
The telescope is raised or depressed in order to sight the objects or surfaces, and the differences in vertical height are thus shown on the graduated standard
An instrument for the accurate measurement of small differences of height; esp