An Austrian transit, by Rudolf & August Rost, Wien, , the grey enamelled instrument with lacquered-brass fittings, the telescope with rack and pinion focusing, graduated bubble-level and axis with the vertical circle divided 170°-230° and 50°-0°-310° with two magnifiers raised on vertical supports with fine adjustment, the enclosed horizontal circle with silvered scale and twin micrometer eyepieces with shade slides and bubble-level on three-screw tripod attachment with pad feet, tangent-screw adjustment and clamp, in fitted case with maker's trade label -- 14¾in. (37.5cm.) high See Illustration
An Austrian transit, by Rudolf & August Rost, Wien, , the grey enamelled instrument with lacquered-brass fittings, the telescope with rack and pinion focusing, graduated bubble-level and axis with the vertical circle divided 170°-230° and 50°-0°-310° with two magnifiers raised on vertical supports with fine adjustment, the enclosed horizontal circle with silvered scale and twin micrometer eyepieces with shade slides and bubble-level on three-screw tripod attachment with pad feet, tangent-screw adjustment and clamp, in fitted case with maker's trade label -- 14¾in. (37.5cm.) high See Illustration
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.jpg "Source: Christie's")
.jpg "Source: Christie's")
