An English lacquered-brass range finder
TROUGHTON & SIMMS, LONDON , LONDON; 19TH CENTURY
An English lacquered-brass range finder, TROUGHTON & SIMMS, LONDON , London; 19th Century the telescope with rack and pinion focusing, mounted on twin Y-frames and with double-bubble level on horizontal bar limb, with roller and sliding fine adjustment for elevation, with rack and pinion motion, tangent-screw fine adjustment and index pointer to horizontal range scale graduated 1500-12000 , the vertical support with graduated drum with horizontal adjustment and pointer, the circular base with micrometer adjustment for azimuth motion, mounted with a level and cross bubble, with adjusting handle over the micrometer screw box engraved DEPRESSION RANGE FINDER W. OTTWAY AND CO LIMITED EALING LONDON , the lower horizontal circle graduated 0-360° , on three adjustable screw feet 56cm. (22in.) wide overall
An English lacquered-brass range finder
TROUGHTON & SIMMS, LONDON , LONDON; 19TH CENTURY
An English lacquered-brass range finder, TROUGHTON & SIMMS, LONDON , London; 19th Century the telescope with rack and pinion focusing, mounted on twin Y-frames and with double-bubble level on horizontal bar limb, with roller and sliding fine adjustment for elevation, with rack and pinion motion, tangent-screw fine adjustment and index pointer to horizontal range scale graduated 1500-12000 , the vertical support with graduated drum with horizontal adjustment and pointer, the circular base with micrometer adjustment for azimuth motion, mounted with a level and cross bubble, with adjusting handle over the micrometer screw box engraved DEPRESSION RANGE FINDER W. OTTWAY AND CO LIMITED EALING LONDON , the lower horizontal circle graduated 0-360° , on three adjustable screw feet 56cm. (22in.) wide overall
.jpg "Source: Christie's")
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.jpg "Source: Christie's")
.jpg "Source: Christie's")
