Light rays reflect from the mirror upwards to the observera#39;s eye. The pencil of rays which ... It consists of a horizontal platen with the stereoscopic index (little hole) and a disc with curves (correcting diagram) and the reading index for the height. ... 282) is designed on the Deville principle and is built for plotting at small scales.
|Title||:||Atlas of photogrammetric instruments|
|Author||:||Vjekoslav Cimerman, Zdenko Tomašegović|
|Publisher||:||Elsevier Publishing Company - 1970|