Zeiss 'Aerotopograph' (various)
808
Hammerpreis
180 €
inkl. Käuferpremium
Schätzpreis 300 € – 500
Zustand : B-
lot of three folding stereoscopes for military field use, (1) contemporary Zeiss Aerotopograph for use in photogrammetry, with micrometer adjsutment, in mint condition, (2) folding viewer produced for the U.S. Army by Abrams Instrument Co., cast aluminium body with enamel finish and wire stands, in good condition, (3) 'Casella Stereoscope London', in used condition. (3)