SoldRighi Oscillator by Max Kohl, c. 1915Righi Oscillator by Max Kohl, c. 1915 German demonstration model by "Max Kohl, Chemnitz", with 2 large nickeled spheres flanked by 2 smaller ones, on oak base with lid, width 24 in. Righi-Oszillator vSee Sold Price
SoldLarge Induction Coil by Max Kohl, c. 1915Large Induction Coil by Max Kohl, c. 1915 Max Kohl, Chemnitz, Germany. Coil length 22 in., length of the spark gap approx. 9 ½ in., with Ruhmkorff's commutator, on polished wood base, size 28 1/3 xSee Sold Price
SoldVery Large Induction Coil by Max Kohl, c. 1915Very Large Induction Coil by Max Kohl, c. 1915 Max Kohl, Chemnitz, Germany. Coil length 12 ¼ in., length of the spark gap approx. 6 in., with mercury and platinum interrupters and Ruhmkorff's commutaSee Sold Price
SoldLarge Induction Coil by Max Kohl, c. 1915Large Induction Coil by Max Kohl, c. 1915 Max Kohl, Chemnitz. Coil length 22 in., length of the spark gap approx. 9 ½ in., with Ruhmkorff's commutator, on polished wood base, size 28 1/3 x 13 ¾See Sold Price
SoldBattery of 2 Leyden Jars, c. 1915Battery of 2 Leyden Jars, c. 1915 Manufactured by Max Kohl, Chemnitz, in wood tray on 4 insulating porcelain legs, overall size 17 1/3 x 6 3/4 x 25 2/5 in. Leydener Flaschenbatterie, um 1915 HersteSee Sold Price
Sold2 Magnetic Demonstration Models, c. 19152 Magnetic Demonstration Models, c. 1915 Manufactured by Max Kohl, Chemnitz. 1) Electro-magnet, with tray and keeper. – And: 2) Horseshoe permanent magnet, with tray. 2 magnetische DemonstrationsmSee Sold Price
Sold4 Physical Demonstration Instruments, c. 19154 Physical Demonstration Instruments, c. 1915 1) Coulomb's hemispheres with sphere on isolated tripod, manufactured by Max Kohl. – 2) Spark tube, type FX47C, height 11 ½ in. – 3) Pocket inductionSee Sold Price
4 Physical Demonstration Instruments, c. 19154 Physical Demonstration Instruments, c. 1915 1) Coulomb's hemisphere with sphere on isolated tripod, manufactured by "Max Kohl". – 2) Spark tube, type FX47C, height 11 ½ in. – 3) Pocket inductiSee Sold Price
SoldRotating Field Demonstration Apparatus by Max Kohl, c. 1910Rotating Field Demonstration Apparatus by Max Kohl, c. 1910 Scientific Instruments Manufacturer Max Kohl, Chemnitz, Germany. Triple-coil three-phase current experiments after Weinhold, with triple-croSee Sold Price
SoldString Telephones by Max Kohl, c. 1900String Telephones by Max Kohl, c. 1900 Physical demonstration models, turned beechwood bodies, parchment membranes, working. Dosentelephone von Max Kohl, um 1900 Physikalische DemonstrationsmodelleSee Sold Price
SoldModel of a Micro-Telephone Station by Max Kohl, c. 1920Model of a Micro-Telephone Station by Max Kohl, c. 1920 Physical demonstration model. Open microphone on polished baseplate, fitted to two pillars and rotating about a horizontal axis. The board is fiSee Sold Price
SoldModel of a Micro-Telephone Station by Max Kohl, c. 1910Model of a Micro-Telephone Station by Max Kohl, c. 1910 Adapted for demonstration purposes, open microphone, mounted rotating on 2 brass pillars, sliding induction coil for varying the induction actiSee Sold Price
Mercury Interrupter Motor by Max Kohl, c. 1900Mercury Interrupter Motor by Max Kohl, c. 1900 Chemnitz, Germany. With glass container for mercury, electric motor, porcelain switch, height-adjustable contact and pole changer, on mahogany board andSee Sold Price
Motor Mercury Interrupter by Max Kohl, c. 1900Motor Mercury Interrupter by Max Kohl, c. 1900 Chemnitz, Germany. With glass container for mercury, electric motor, porcelain switch, height-adjustable contact and pole changer, on mahogany board andSee Sold Price
SoldZoetrope by Max Kohl, c. 1898Zoetrope by Max Kohl, c. 1898 Max Kohl AG, Werkstätten für Präzisionsmechanik, Chemnitz, Germany. "Wheel of Life", cardboard drum Ø 11 in., height 13 ¾ in., attractive decoration with Greek-key pSee Sold Price
Sold2 Sparking Pillars by Max Kohl, c. 19102 Sparking Pillars by Max Kohl, c. 1910 Heavy iron feet, signed "Max Kohl, Chemnitz", ebonite pillars, height each 25 2/5 in. 2 Funkenständer von Max Kohl, um 1910 Schwere Gußständer, signiert "MaxSee Sold Price
SoldVINTAGE NATIONAL CASH REGISTERVINTAGE NATIONAL CASH REGISTER ($1.90 MAX.), C.1915. HEIGHT 17" (MISSING CREST) **NO IN-HOUSE SHIPPING**See Sold Price
SoldChord Siren by Max Kohl AG, Chemnitz, c. 1900Chord Siren by Max Kohl AG, Chemnitz, c. 1900 German physical demonstration model, made to the pattern of Heinrich Wilhelm Dove (1803–79), with 4 valves and 2 dials, original lacquered brass, heightSee Sold Price
SoldAudio Oscillator Tuning Fork, c. 1915Audio Oscillator Tuning Fork, c. 1915 With adjustable electric magnet, length 15 in. – In addition: Electro-magnetic sounder, with brass horn. Stimmgabel mit elektromagnetischem Antrieb, um 1915See Sold Price
SoldGERMAN DOLL PRODUCED BY MAX OSCAR ARNOLD, H22"GERMAN DOLL, MFG BY H. WELSCH & CO., PRODUCED BY MAX OSCAR ARNOLD., C 1915-25, H 22":Sonneberg Thur. manufactured dolls; 8 pointed star MOA #200, #6 on head; Glass moving eyes with composition body. DSee Sold Price
Physical Demonstration ModelsPhysical Demonstration Models 1) Tangent galvanometer, c. 1910, Max Kohl, Chemnitz, magnet needle with agate cap on steel pivot, with lock, reading facilitated by a mirror, on walnut column and tripodSee Sold Price
SoldInduction Coil based on Ruhmkorff Design, c. 1910Induction Coil based on Ruhmkorff Design, c. 1910 Manufacturer: Max Kohl, Chemnitz. No. 3808, 6 V, 2 A, length of the coil 7 ¼ in., changeover switch, on polished walnut base, working. FunkeninduktSee Sold Price
SoldLarge Leyden Jar, c. 1905Large Leyden Jar, c. 1905 Manufacturer: "Max Kohl, Chemnitz", according to Kleist/Musschenbrok, on porcelain legs, 23 in. high! The oldest form of a capacitor. Große Leydener Flasche, um 1905 HerstelSee Sold Price
SoldDemonstration Model "X-Ray Tube", c. 1910Demonstration Model "X-Ray Tube", c. 1910 Manufacturer "Max Kohl, Chemnitz", without regeneration, Ø 3 1/6 in. Demonstrationsmodell "Röntgenröhre", um 1910 Hersteller: "Max Kohl, Chemnitz". RöhreSee Sold Price
Rare Brant Decoy by Henry Kilpatrick (1867-1945)Copley Fine Art Auctions4.5(40)See Sold PriceFeb 24, 2024
Pintail Drake Decoy by August Haas (1890-1962)Copley Fine Art Auctions4.5(40)See Sold PriceFeb 24, 2024
Shoveler Head by A. Elmer Crowell (1862-1952)Copley Fine Art Auctions4.5(40)See Sold PriceFeb 24, 2024
Bluebill Pair by Ivar G. Fernlund (1881-1933)Copley Fine Art Auctions4.5(40)See Sold PriceFeb 24, 2024
Dresden Germany Porcelain Oval Serving Dish, Gilt Greek Key Border Rim, c1915Taylor & Harris4.7(161)See Sold PriceMar 10, 2024
Edwardian Platinum and Diamond Filigree BroochDOYLE Auctioneers & Appraisers4.6(171)See Sold PriceFeb 29, 2024
Platinum, Diamond and Ruby Basset Hound BroochDOYLE Auctioneers & Appraisers4.6(171)See Sold PriceFeb 29, 2024
R.J. HORNER (ATTRIB.) RENAISSANCE STYLE CARVED MAHOGANY CURULE CHAIRAustin Auction Gallery4.7(1.2k)See Sold PriceFeb 25, 2024
Francois Bazin (Attr.) - Spiro, La force du vent, c. 1915 - Art Deco bronze sculpture!NCAG4.4(33)See Sold PriceMar 10, 2024
American Arts & Crafts, Magazine stands, pairToomey & Co. Auctioneers4.7(392)See Sold PriceFeb 29, 2024
D'Argental and Muller Freres, Vases, set of twoToomey & Co. Auctioneers4.7(392)See Sold PriceFeb 29, 2024
A RARE CHARITY CONTAINER COLLECTING FUNDS FOR THE GREAT CHARITY OF JERUSALEM. Jerusalem, c.1915.J. Greenstein & Co., Inc.4.2(55)See Sold PriceApr 16, 2024
A Lewis Lomay Hopi sterling silver cuff braceletJohn Moran Auctioneers, Inc.4.7(461)See Sold PriceMar 12, 2024
A pair of Lewis Lomay Hopi sterling silver and lapis lazuli earringsJohn Moran Auctioneers, Inc.4.7(461)See Sold PriceMar 12, 2024
