Sold20164 Physical Demonstration Tubes, c. 19104 Physical Demonstration Tubes, c. 1910 1) Crookes tube, for demonstrating a magnetic altering the direction of radiant matter, length 13 1/3 in. – 2) Tubular magnet coil, height 10 1/5 in. – And:See Sold Price
Sold2017Large Electro-Magnetic Motor with Rotating GeisslerLarge Electro-Magnetic Motor with Rotating Geissler Tube, c. 1910 Physical demonstration model, height 18 ¼ in., for tubes of up to 15 3/4 in. length, brass and steel, on walnut base, later tube, veSee Sold Price
Sold20164 Physical Demonstration Models, c. 19104 Physical Demonstration Models, c. 1910 1) Reflection and refraction apparatus by "Max Kohl, Chemnitz". – 2) Filament lamp on wooden stand. – 3) Voltmeter by "Radiguet à Paris", brass. – And:See Sold Price
Sold20162 Physical Demonstration Models with 9 Geissler Tubes,2 Physical Demonstration Models with 9 Geissler Tubes, c. 1910 1) Stand with turning star and 3 tubes with uranium spirals. – And: 2) Isolated stand with 6 tubes of different shape and color, 2 of tSee Sold Price
Sold2016Electric Motor with 10 Geissler Tubes, c. 1910Electric Motor with 10 Geissler Tubes, c. 1910 Physical demonstration model with rotating Geissler tubes, on brass pillar and walnut base, height 7 ½ in., with 10 tubes of various shapes and colors.See Sold Price
Sold20162 Physical Demonstration Models, c. 19102 Physical Demonstration Models, c. 1910 1) Crookes' radiant matter tube, height 16 ½ in. – And: 2) Winkelmann-type vacuum double bulb, 1 glass tip broken, height 15 ¾ in. 2 physikalische DemonstrSee Sold Price
Sold20166 Physical Demonstration Models, c. 19106 Physical Demonstration Models, c. 1910 1) 2 Leyden jars, height 15 and 20 ½ in. – 2) Discharger, with 2 ebonite handles and hinge. – And: 3) 3 conductors on glass pillars, one by Robert DrosteSee Sold Price
Sold20154 Interesting Physical Demonstration Models, c. 19004 Interesting Physical Demonstration Models, c. 1900 1) Ebert's phosphorescent lamp with 2 electrodes. – 2) Crookes' apparatus for experiments on radiant matter. – 3) Crookes' radiometer. – And:See Sold Price
Sold20174 Demonstration Model Electric Motors, c. 19104 Demonstration Model Electric Motors, c. 1910 Various models and constructions, height up to 7 in., untested. 4 Demonstrationsmodelle Elektromotoren, um 1910 Unterschiedliche Bauformen und KonstruSee Sold Price
Sold20162 Dynamo-Electric Machines, c. 19102 Dynamo-Electric Machines, c. 1910 Physical demonstration models, 1 by Masquellier, Anvers, handcrank-driven, cast-iron wheels, on wooden boards, heights 12 ½ in. and 16 ½ in. 2 dynamoelektrische MSee Sold Price
Sold2016Ampère Table, c. 1910Ampère Table, c. 1910 Physical demonstration model, used for experiments on the relationship between magnetic fields and electric currents, originally with mercury filling, with 2 plaques: "InstrumenSee Sold Price
Sold2017Electro-Magnetic Motor with Rotating Geissler Tube, c.Electro-Magnetic Motor with Rotating Geissler Tube, c. 1915 Physical demonstration model, height 9 7/8 in., tube length 10 1/5 in., good condition, untested. Elektromagnetischer Motor mit rotierenSee Sold Price
Sold2020Electro-Magnetic Motor with Rotating Geissler Tube, c.Electro-Magnetic Motor with Rotating Geissler Tube, c. 1890 Physical demonstration model, two electro-magnets, on wood pillar, with wood and brass holder and original Geissler tube, for creating a dazSee Sold Price
Sold20165 Glass Tubes for Physical Experiments, c. 19105 Glass Tubes for Physical Experiments, c. 1910 1) Geissler tube, 2-part, 1 part with fluorescent liquid, length 16 ½ in. – 2) 2 Goldstein tubes, 1 by Leybold, length each 14 ½ in. – 3) CrookeSee Sold Price
Sold2018C1910 lead frog fountain feature spout with copper tubeC1910 lead frog fountain feature spout with copper tube. 4" x 3 3/4". Please note that this lot has a confidential reserve. When you leave a bid in advance of the auction, submit your maximum. The bidSee Sold Price
Sold2016Electromagnetic Motor with Geissler Tube, c. 1900Electromagnetic Motor with Geissler Tube, c. 1900 Physical demonstration model, for tubes up to 6 in., overall height 8 in. Elektromagnetischer Motor mit Geißler'scher Röhre, um 1900 PhysikalischesSee Sold Price
Sold2017Group of Vacuum Tubes, c. 1915Group of Vacuum Tubes, c. 1915 Physical demonstration models. 1) Geissler tube lighting up by friction, length 19 1/3 in. – And: 2) 10 various Geissler tubes, 2 of them liquid-filled, some uraniumSee Sold Price
Sold20205 Physical Demonstration Instruments, c. 19205 Physical Demonstration Instruments, c. 1920 1) "Mammoth" X-ray air-cooling tube with regeneration device, made by Cuthbert Andrews, England, length 20 in. - 2) Crookes cathode ray tube, for demonstrSee Sold Price
Sold2020Group of Scientific InstrumentsGroup of Scientific Instruments Physical demonstration models and others: 5 various Crookes cathode ray tubes, 1 x-ray tube (defective), 15 glass valves, 4 stands, 3 Leyden jars, 2 glass tubes with meSee Sold Price
Sold20204 Physical Demonstration Instruments4 Physical Demonstration Instruments 1) Tesla generator, 6 in. primary coil, 2 in. secondary coil, with spark gap, pillar 33 ½ in. high. - 2) Wimshurst's electrostatic machine, 2 Leyden jars, 2 plastSee Sold Price
Sold20154 C 1910 Barker's Medicine Adv Souvenir BooksDESCRIPTION: Four Barker's "Komic" Picture Souvenir books including parts one through four. Published by The Barker Moore & Mein Medicine Co. Philadelphia, PA. Black and white cartoon illustrations. MSee Sold Price
Sold2021Native American Porcelain Plates(4) C. 1910 Native American porcelain plates. Approx. 6" D..See Sold Price
Sold2017Match HoldersLot (4) C. 1910 match holders. Includes spelter metal and porcelain. Boy in tree and bear with honey pot have imperfections.See Sold Price
Sold2023Group of Physical Demonstration Models, c. 1900Group of Physical Demonstration Models, c. 1900 1) Wimshurst's influence machine, Trüb, Fierz & Cie., Zurich, height 14 ½ in., complete, rubber straps need to be renewed. - 2) 8 chromic acidSee Sold Price
Jun 11Quittenbaum Kunstauktionen GmbHDaum Frères, Nancy, Miniature vase 'Coeur de Jeanette', c. 1910€360(1 bid)
Jun 11Quittenbaum Kunstauktionen GmbHDaum Frères, Nancy, Miniature vase 'Paysage hiver', c. 1910€500(1 bid)
Jun 11Quittenbaum Kunstauktionen GmbHDaum Frères, Nancy, Miniature vase 'Paysage hiver', c. 1910€500
5 days LeftToomey & Co. AuctioneersJoseph Heinrichs, Fine and Rare five-piece mokume-gane desk set with rivetsUS$100
5 days LeftToomey & Co. AuctioneersFrank J. Marshall, Fine and Rare lidded box with peacock and landscapeUS$1,400
5 days LeftToomey & Co. AuctioneersJoseph Heinrichs, Double inkwell stand with letter openerUS$100(1 bid)
5 days LeftToomey & Co. AuctioneersThe Kalo Shop, Assembled study collection of twelve Early spoonsUS$100(1 bid)
Jun 12DOYLE Auctioneers & AppraisersBelle Epoque Double Strand Platinum, Button Pearl and Diamond BraceletUS$1,000