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LOT 2372
Geissler-Type Hydrogen Spectrum Discharge Tube
EARLY 20TH CENTURY A.D.
10 1/4 x 4 3/8 in. (2.46 kg total, 26 x 11 cm).
Unsigned, of H-form, with a large spherical ballast reservoir above two vertical limbs joined by a narrow horizontal capillary; the lower electrode chambers with wire-wound terminal leads, the interior showing heavy metallic sputtering from use; accompanied by a wooden case, untested. [No Reserve]
ProvenanceAcquired on the UK art market.
Property of a Harwich, UK, collector.
Mentioned in a letter to the editor of Bulletin of the Scientific Instrument Society, No. 16.
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AUCTIONS:
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LOT 2372
Geissler-Type Hydrogen Spectrum Discharge Tube
Estimate £80 - 100€93 - 116 (for guidance only)$108 - 135 (for guidance only)
Opening Bid
£5 (EUR 6; USD 7) +BP*
-
Baroque Gold and Silver Diamond and Emerald Ring
Spain, late 17th century A.D.Estimate: £1,500 - 2,000 (+bp*)
Opening Bid: £750
Comprising a silver cluster bezel centred by an emerald cabochon and surrounded by diamonds, the reverse of the bezel enamelled with white and black enamel, and the setting resting on an engraved gold hoop with remains of black enamel. 4.79 grams, 22.25 mm overall, 15.89 x 14.78 mm internal diameter (approximate size British I 1/2, USA 4 1/2, Europe 8.07, Japan 7)
Acquired on the European art market. UK, private collection. -
Aboriginal Churinga
19th century A.D.Estimate: £100 - 140 (+bp*)
Opening Bid: £50
Leaf-shaped in plan with incised panels of concentric rings and linear motifs between; cord to one end. 120 grams, 35.6 cm
Acquired on the UK art market. Property of a Suffolk, UK, gentleman. -
Post Medieval Wooden Mary and Child Figure
Late 19th-20th century A.D.Estimate: £50 - 70 (+bp*)
Opening Bid: £5
Carved in the round, Mary standing robed with right hand raised in blessing, left arm supporting infant Jesus; chamfered base. 404 grams, 24.9 cm high
Acquired on the UK art market. Property of a Nottinghamshire, UK, gentleman.
