Lot 0198

2 Refractometers

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HILGER MICRO-OPTIC REFRACTOMETER CA 1950: HILGER MICRO-OPTIC REFRACTOMETER, CA 1950 APPROXIMATELY 16 IN X 91 IN X 21 IN H

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$Platinum Elegant Diamond, Earrings: Platinum Elegant Diamond, Earrings Measuring 1.18" in length, featuring a pear cut light blue center stone (the refractometer indicates that the stones are synthetic and have a refractive index of app$

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$Leica S6E Microscope by Kassoy with Additional: Including a Duplex Refractometer, a Presidium Dial Guage, A Microscope Base, A Spectroscope, Plus$

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$GIA Gem Fiberlite Testing Equipment: GIA Gem Fiberlite Testing Equipment includes: Duplex II Refractometer, Polariscope Model 415, Pleochroism (color variation) Model 409; Fiber Lite Model 413, Specific gravity, etc testing fluid kit, le$

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$22ct Faceted Pink Tourmaline Gemstone: Tests as a tourmaline on the presidium gem tester ii. Under refractometer it shows as approximately 1.6, single refraction. 7/8" long, 1/2" wide, 1/2" tall.$

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$Vintage Chinese Carved Man Face, Jadeite: Vintage carved male face. Stone reads at 1.68 on refractometer, Jadeite? Measures 1" x 3/4" x 1/2" high. From the collection of Louis Rauch who was the head designer at "Le Petie Musee" in New York be$

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$2.74 ct Baddeleyite: Pieces: 1 Shape: Emerald Facet [Stone is a roughly cut and so surface imperfections, called naturals, were left to retain carat weight] Type: Baddeleyite (Tested via digital refractometer RI of 2.165)$

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$Microscope Stage Refractometer, by Carl Zeiss,: German, c.1960, engraved 'Carl Zeiss 4366377 Gemany' with 2 prisms marked 1.3 - 1.7 & 1.6 - 2.0, in fitted case with original instructions$

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$Zeiss-Jena Refractometer in Original Wood Case: Optical Refractometer made by Carl Zeiss Jena (then East Germany). Has seen heavy use, needs cleaning, and is probably best suited for historical display. Even so, all the necessary parts for it to fu$

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Item Details

Description

2 Refractometers
1) R. Fuess, Steglitz near Berlin, c. 1910, with slit for polarisation, original lacquered brass, heavy tripod with one adjusting screw, height 11 ¾ in. - And: 2) Dr. Carl Leiss, Berlin-Steglitz, c. 1930, black lacquer finish, height 12 ½ in.

2 Refraktometer
1) R. Fuess, Steglitz bei Berlin, um 1910, mit Spalt zur Polarisierung, original zaponiertes Messing, schweres Dreibeinstativ mit einer Stellschraube, Höhe 30 cm. - Und: 2) Dr. Carl Leiss, Berlin-Steglitz, um 1930, schwarze Lackierung, Höhe 32 cm.

Start Price: EUR 180

Condition

(3/-)

Buyer's Premium

23.8%

2 Refractometers

Name: 2 Refractometers
SKU: 163063195
Price: 260 EUR
Availability: InStock

Estimate €300 - €500

See Sold Price

Starting Price €180

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Item located in Koeln, NRW, de

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Auction Team Breker

Koeln, Germany

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