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A fine Troughton & Simms 3 1/2-inch brass refracting telescope on stand, English, mid 19th cent...
1/4
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London, United Kingdom
Beschreibung
A fine Troughton & Simms 3 1/2-inch brass refracting telescope on stand, English, mid 19th century, signed TROUGHTON & SIMMS LONDON, the tube with rack and pinion focusing and star finder mounted in parallel, supported on tapering column with slow motion azimuth adjustment by rack and pinion and long mahogany handle, altitude adjustment by telescopic supporting rod, on all brass tripod stand, in fitted mahogany case with alternate eyepieces and filters, length of tube 38in (965mm), case 7in x 40in x 15in (180mm x 1020mm x 380mm) Footnotes: The telescope is described in the 1852 publication by William Simms The Achromatic Telescope which states '...it is especially adapted to the purpose of the traveller by whom considerable optical power with portability.....the legs are formed of tubes slipping within each other.' A facsimile copy of this publication is sold with this lot. For further information on this lot please visit Bonhams.com For further information about this lot please visit the lot listing
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A fine Troughton & Simms 3 1/2-inch brass refracting telescope on stand, English, mid 19th century, signed TROUGHTON & SIMMS LONDON, the tube with rack and pinion focusing and star finder mounted in parallel, supported on tapering column with slow motion azimuth adjustment by rack and pinion and long mahogany handle, altitude adjustment by telescopic supporting rod, on all brass tripod stand, in fitted mahogany case with alternate eyepieces and filters, length of tube 38in (965mm), case 7in x 40in x 15in (180mm x 1020mm x 380mm) Footnotes: The telescope is described in the 1852 publication by William Simms The Achromatic Telescope which states '...it is especially adapted to the purpose of the traveller by whom considerable optical power with portability.....the legs are formed of tubes slipping within each other.' A facsimile copy of this publication is sold with this lot. For further information on this lot please visit Bonhams.com For further information about this lot please visit the lot listing
Instruments of Science and Technology
Endet ab
Ort der Versteigerung
Montpelier St Knightsbridge
London
United Kingdom
SW7 1HH
United Kingdom
...
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