Sold for:
$615

A. Kruss Brass Spectroscope, Hamburg, Germany, the 9-in. scope attached to a horizontal arm with adjustment knob for fine tuning, rack and pinion focusing, collimator with dual adjustment knobs on a single plate, turned bone knob on the prism housing lid, all on a cast iron tripod base, ht. 15 1/2 in.


Skinner

Auctioneer:
Skinner

Date:
2014-05-03

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John Browning Lacquered Brass Spectroscope, 63 Strand, London, 19th century, 5-in. tube engraved as above on one side and on the other side "Grace's Spectroscope," Read more…


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19th Century Diminutive Lacquered Brass Spectroscope, Laurent Succ'r do Soleil, 21 Rue di L'oden, Paris, 4-in. dia. horizontal scale engraved as above, stationary scope, and Read more…


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John Browning Brass Spectroscope, 139 Strand, London, 7478, with a 9-in. telescope and collimator, both with rack focusing, horizontal enclosed scale engraved as above, all Read more…


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J.G. Hofmann Direct Vision Spectroscope, Paris, the 18-in. brass tube engraved in part: Spectroscope-Hofmann a Vision directe , with side tube, and rack focusing eyepiece, Read more…


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Eight-prism Brass and Cast Iron Spectroscope, unmarked, the 11-in. scope with rack focusing, main prism adjustment drum, and vernier, all secured to a movable arm Read more…


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Auctioneer:
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Date:
2011-07-16


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Seven 19th Century Spectroscopes, London, lacquered brass instruments, five marked "John Browning," two with stands, an unmarked one, and a R. & J. Beck "Thorp's Read more…


Auctioneer:
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Date:
2018-04-20