223 "Old Delft" Scanning Stereoscope for better interpretation for simultaneous viewing Complete scanning of the overlap of 9x18 inch pictures in both the y- and x-direction without moving either the instrument or the photographs. Two magnifications available when interpreting: 1x/2xand 472 x. Elimination of any remaining y- or x-parallax without shifting the photographs. Possibility of simultaneous observation by two persons for training purposes and "conference", using a second instrument. N.V. OPTISCHE INDUSTRIE "DE OUDE DELFT" DELFT-HOLLAND lllllllllllllllllllllllllllllllllllillll |T> lllllllllllllllll

Digitale Tijdschriftenarchief Stichting De Hollandse Cirkel en Geo Informatie Nederland

Lustrumboek Snellius | 1970 | | pagina 224