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Large Induction Coil by Max Kohl, c. 1915 Max Kohl, Chemnitz. Coil length 22 in., length of the
Large 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 commut...
3 Demonstration Electric Motors 1) Made by "Lehrmittelanstalt Phylatex", GDR. Width 10 5/8 in. –
3 Demonstration Electric Motors 1) Made by "Lehrmittelanstalt Phylatex", GDR. Width 10 5/8 in. – 2) Unmarked, on wood board, width 10 ½ in. – And:...
4 Demonstration Model Electric Motors, c. 1910 Various models and constructions, height up to 7 in.,
4 Demonstration Model Electric Motors, c. 1910 Various models and constructions, height up to 7 in., untested. Zustand: (3-/-) 4 Demonstrationsmo...
10 Small Electric Motors, c. 1915 All of open construction, 8 on wooden boards, approx. 4–8 volts,
10 Small Electric Motors, c. 1915 All of open construction, 8 on wooden boards, approx. 4–8 volts, good condition but untested. Zustand: (3+/-) 1...
6 Vintage Model Electric Motors, 1900 onwards Toy or demonstration models, 3 on wooden boards,
6 Vintage Model Electric Motors, 1900 onwards Toy or demonstration models, 3 on wooden boards, between approx. 2 and 20 volts, 1 marked ESL – Engl...
6 Vintage Model Electric Motors, 1900 onwards Toy or demonstration models, on wooden boards, between
6 Vintage Model Electric Motors, 1900 onwards Toy or demonstration models, on wooden boards, between approx. 2 and 20 volts, 1 marked ESL – Englan...
2 Electro-Magnetic Motors, c. 1900 Small vintage demonstration models, for rotating Geissler
2 Electro-Magnetic Motors, c. 1900 Small vintage demonstration models, for rotating Geissler tubes, approx. 6 volt, height 5 and 6 in., for tubes ...
Dynamo and 3 Electric Bells, c. 1915 1) Dynamo-electrical machine, with handcrank, on wood board,
Dynamo and 3 Electric Bells, c. 1915 1) Dynamo-electrical machine, with handcrank, on wood board, 9 ½ x 6 ¼ in. – And: 2) 3 electric bells, 2 in c...
Electro-Magnetic Motor with Rotating Geissler Tube, c. 1880 Magnetic machine with 6-pole rotator and
Electro-Magnetic Motor with Rotating Geissler Tube, c. 1880 Magnetic machine with 6-pole rotator and two electro-magnets, on wood base, with wood ...
Electro-Magnetic Motor for the Rotation of Geissler Tubes, c. 1915 Height 10 1/5 in., for tubes of
Electro-Magnetic Motor for the Rotation of Geissler Tubes, c. 1915 Height 10 1/5 in., for tubes of up to 9 7/8 in. length, working motor. Zustand:...
Electro-Magnetic Motor with Rotating Geissler Tube, c. 1915 2 magnets, six-pole rotator, height
Electro-Magnetic Motor with Rotating Geissler Tube, c. 1915 2 magnets, six-pole rotator, height 6 ¼ in., tube length 4 ¾ in., good condition, unte...
Carbon-Zinc-Battery by Gustave Trouvé, c. 1890 Signed on the baseplate: "Gve Trouvé – Fabricant
Carbon-Zinc-Battery by Gustave Trouvé, c. 1890 Signed on the baseplate: "Gve Trouvé – Fabricant Bte – Eureka – Paris", height 11 in. An early pock...
2 Demonstration Electro-Motor Trains, c. 1915 Electro-magnetic motors, gauge 4/5 and 2 ¾ in.,
2 Demonstration Electro-Motor Trains, c. 1915 Electro-magnetic motors, gauge 4/5 and 2 ¾ in., untested. Zustand: (3/-) 2 Demonstrationslokomotive...
6 Unusual Electrical Motors, c. 1915 Physical demonstration models or toy motors, all of open
6 Unusual Electrical Motors, c. 1915 Physical demonstration models or toy motors, all of open construction, three magnetic motors, 4–8 volt, good ...
Electric Motor and 2 Armature Models, c. 1910 1) DC motor, open construction, cast-metal housing,
Electric Motor and 2 Armature Models, c. 1910 1) DC motor, open construction, cast-metal housing, 3 belt drives, height 4 ¾ in. – And: 2) 2 Leybol...
Alternating Current Motor by J. Kalb & Co., c. 1915 Model W8, 220 V, 1,9 A, 1/6 horsepower, 1300
Alternating Current Motor by J. Kalb & Co., c. 1915 Model W8, 220 V, 1,9 A, 1/6 horsepower, 1300 rpm. Suitable for automatic pianos and orchestrio...
Large Electro-Magnetic Motor, 1910 Height 16 1/6 in., brass column, walnut base, working. Zustand: (3+/2-3) Großer elektromagnetischer Motor, um ...
Electrical Machine and Battery, c. 1900 1) Influence machine, disc Ø 11 3/4 in., needs cleaning. –
Electrical Machine and Battery, c. 1900 1) Influence machine, disc Ø 11 3/4 in., needs cleaning. – And: 2) Leyden jar, height 10 1/5 in. Zustand: ...
5 Interesting Light Bulbs, c. 1920 1) Approximate replica of Thomas Alva Edison's first incandescent
5 Interesting Light Bulbs, c. 1920 1) Approximate replica of Thomas Alva Edison's first incandescent lamp, ,with base. – 2) Large AEG lamp, height...
Bright High-Wattage Light Bulbs, c. 1925 110 Volt, including Edison Stereopticon 1000 Watt, Philips 500 Watt, Philips Onix and other bulbs. Zustan...
Large Electro-Magnetic Motor with Rotating Geissler Tube, c. 1910 Physical demonstration model,
Large 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. len...
Ramsden's Electrical Machine, c. 1850 With two pairs of pads and two prime conductors on four
Ramsden's Electrical Machine, c. 1850 With two pairs of pads and two prime conductors on four isolating glass legs, on wooden board, crank-turned ...
2 Lecture-Room Measuring Instruments, c. 1915 Manufactured by E. Leybold's Nachfolger – Cöln. 1)
2 Lecture-Room Measuring Instruments, c. 1915 Manufactured by E. Leybold's Nachfolger – Cöln. 1) Direct current ammeter, reading from 0,2–2 ampere...
2 Precision Measuring Instruments, c. 1915 1) Analytical scale by "H.L. Becker & Cie, Bruxelles", in
2 Precision Measuring Instruments, c. 1915 1) Analytical scale by "H.L. Becker & Cie, Bruxelles", in fitted mahogany case. – And: 2) Densiometer b...
Group of Precision Measuring Instruments 1) Milliampere meter by Hartmann & Braun, c. 1950. – 2) 4
Group of Precision Measuring Instruments 1) Milliampere meter by Hartmann & Braun, c. 1950. – 2) 4 Siemens & Halske instruments: Millivolt moving-...
English Compass Microscope, c. 1780 For opaque objects, brass and steel, objective with Lieberkühn
English Compass Microscope, c. 1780 For opaque objects, brass and steel, objective with Lieberkühn reflector, length 3 ¾ in., in original rayskin-...
English Brass Culpeper-Type Compound Monocular Microscope, c. 1790 Unsigned, lacquered brass, draw
English Brass Culpeper-Type Compound Monocular Microscope, c. 1790 Unsigned, lacquered brass, draw tube, concave single mirror, closed height 10 1...
Ernst Leitz Brass Microscope, 1906 No. 90429, original lacquered brass, black painted cast-iron
Ernst Leitz Brass Microscope, 1906 No. 90429, original lacquered brass, black painted cast-iron horseshoe base, double mirror, condenser, triple n...
Ernst Leitz Brass Microscope, 1890 Signed on the front: "E. Leitz – Wetzlar – No. 18134", original
Ernst Leitz Brass Microscope, 1890 Signed on the front: "E. Leitz – Wetzlar – No. 18134", original lacquered brass, double mirror, iris diaphragm,...
Ernst Leitz Microscope, 1945 Wetzlar, no. 374686, double mirror, condenser, cross table, quadruple
Ernst Leitz Microscope, 1945 Wetzlar, no. 374686, double mirror, condenser, cross table, quadruple nosepiece, coarse and fine adjustment, height 1...
Reichert Electric Arc Lamp, c. 1920 C. Reichert, Vienna. Spring-driven carbon rod propulsion, for
Reichert Electric Arc Lamp, c. 1920 C. Reichert, Vienna. Spring-driven carbon rod propulsion, for microscope illumination, height 11 in. Zustand: ...
Large Optical Bench by Wilson, c. 1920 Marked: "W. Wilson, London", with 6 brass trappings, with
Large Optical Bench by Wilson, c. 1920 Marked: "W. Wilson, London", with 6 brass trappings, with photronic cell by Weston, length of the bench 23 ...
Brass Table Telescope by Jesse Ramsden, c. 1820 Signed: "J. Ramsden, London", 5-draw tubes, rosewood-bound main tube, length 9 ½ in., extended len...
2 Large Polarimeters, c. 1915 1) Saccharimeter by Franz Schmidt & Haensch, Berlin. No. 9806, brass
2 Large Polarimeters, c. 1915 1) Saccharimeter by Franz Schmidt & Haensch, Berlin. No. 9806, brass and cast iron, length 25 3/5 in., for determini...
French Plane Table Alidade, 1931 Signed "Ministre de la Guerre" (war department), no. 10663,
French Plane Table Alidade, 1931 Signed "Ministre de la Guerre" (war department), no. 10663, original lacquered brass, length 17 ¾ in., in fitted ...
2 Swiss Surveying Instruments by Wild Wild Heerbrugg. 1) GB6, binocular goniometer, in metal case
2 Swiss Surveying Instruments by Wild Wild Heerbrugg. 1) GB6, binocular goniometer, in metal case with leather carrying strap. – And: 2) No. 1661,...
Altimeter and Rangefinder by Hurlimann, c. 1890 A. Hurlimann à Paris, original lacquered and
Altimeter and Rangefinder by Hurlimann, c. 1890 A. Hurlimann à Paris, original lacquered and blackened brass, bone scales, length of the telescope...
Magnetic Sighting Compass, c. 1910 Ø 3 in., original lacquered brass, with threaded hand and table
Magnetic Sighting Compass, c. 1910 Ø 3 in., original lacquered brass, with threaded hand and table tripod, in fitted wood case, stamped "M. Beck, ...
Group of Measuring and Surveying Instruments 1) 180° protractor with 2 sights, brass and steel,
Group of Measuring and Surveying Instruments 1) 180° protractor with 2 sights, brass and steel, Germany, c. 1910. – 2) Russian compass, brass, sil...
Miguel Indurain's Tour de France Bicycle, 1995 The bike with which Indurain won his 5th tour with
Miguel Indurain's Tour de France Bicycle, 1995 The bike with which Indurain won his 5th tour with the Banesto team in 1995, Pinarello bike, ultral...
Early French Poster "Vélocipède Michaux" Bicycle, c. 1865 An elegant couple on the first penny-
Early French Poster "Vélocipède Michaux" Bicycle, c. 1865 An elegant couple on the first penny-farthing bicycles. Lithograph after Pierre-Jacques ...
"Bicyclette Elith" Original Poster, c. 1910 Lithograph. Size: 75,5 x 116 cm (29 2/3 x 45 2/3 in.).
"Bicyclette Elith" Original Poster, c. 1910 Lithograph. Size: 75,5 x 116 cm (29 2/3 x 45 2/3 in.). With caption: "A man on the 'Elith' bicycle is ...
Original "Cycles Lorette" Lithography Poster, c. 1930 Very attractive French bicycle poster. Printed
Original "Cycles Lorette" Lithography Poster, c. 1930 Very attractive French bicycle poster. Printed by Publicité Wall, Paris. Size: 58 x 78 cm (2...
Soviet Liquid-Propellant Rocket Engine Lavochkin V-751, 1957 onwards Power unit used in S-75 Dwina
Soviet Liquid-Propellant Rocket Engine Lavochkin V-751, 1957 onwards Power unit used in S-75 Dwina high-altitude air defence system, second stage,...
5 Aircraft Onboard Instruments, c. 1965 1) Altimeter by Kelvin & Hughes, England. – 2) 2 turn
5 Aircraft Onboard Instruments, c. 1965 1) Altimeter by Kelvin & Hughes, England. – 2) 2 turn indicators by Apparatebau Gauting, Germany. – 3) Coc...
Walker's Patent "Harpoon" Sounding Machine, 19th Century Thomas Walker & Son Ltd., Birmingham,
Walker's Patent "Harpoon" Sounding Machine, 19th Century Thomas Walker & Son Ltd., Birmingham, England. Brass body with rotator and dial, records ...
Warsaw Pact Frogman Sabotage Diver System, 1968 Signed "ZP10-VC2614 10.84", with 2 oxygen bottles,
Warsaw Pact Frogman Sabotage Diver System, 1968 Signed "ZP10-VC2614 10.84", with 2 oxygen bottles, inflatable life jacket and 2 mouthpieces. A col...
Early Hadley's Reflecting Quadrant (Octant), 18th Century Mahogany frame, boxwood graduated arc (
Early Hadley's Reflecting Quadrant (Octant), 18th Century Mahogany frame, boxwood graduated arc (90–0°), 26-inch index arm, missing glass filters ...
Cased English Sextant by Blair, c. 1910 Signed: "H.G. Blair & Co – Cardiff & Barry", burnished
Cased English Sextant by Blair, c. 1910 Signed: "H.G. Blair & Co – Cardiff & Barry", burnished brass, silver scale, 7 filters, magnifying glass, 2...
13¾-Inch Radius English Octant, c. 1825 Signed "Bradford & Son, 136 Minories, London". Ebony and
13¾-Inch Radius English Octant, c. 1825 Signed "Bradford & Son, 136 Minories, London". Ebony and brass, inset bone scale divided 100–0°, vernier d...
Thomas Alva Edison Portrait Signed "AJ van't Hoff", printed, wooden frame with stucco corners, outer
Thomas Alva Edison Portrait Signed "AJ van't Hoff", printed, wooden frame with stucco corners, outer dimensions 20 7/8 x 25 2/5 in. Zustand: (3/-)...
9x14cm Postcards of Düsseldorf, Dresden and Frankfurt Approx. 180 picture postcards, approx. 27 of
9x14cm Postcards of Düsseldorf, Dresden and Frankfurt Approx. 180 picture postcards, approx. 27 of Düsseldorf, approx. 66 of Dresden and approx. 8...
9x14cm Postcards of Berlin Over 260 picture postcards, c. 1900–1940, approx. 40 % used and labeled, pictures and prints, color and black-and-white...
9x14cm Postcards of Munich (München) Approx. 180 picture postcards, motifs of Munich, c. 1900–
9x14cm Postcards of Munich (München) Approx. 180 picture postcards, motifs of Munich, c. 1900–1940, predominantly unused and not labeled, pictures...
9x14cm Postcards of Cologne (Köln) Approx. 104 picture postcards, with motifs of Cologne, c. 1910–
9x14cm Postcards of Cologne (Köln) Approx. 104 picture postcards, with motifs of Cologne, c. 1910–1930 (some later cards), predominantly unused an...
9x14cm Postcards of Hamburg Approx. 300 picture postcards, motifs of Hamburg, c. 1895–1930 (some
9x14cm Postcards of Hamburg Approx. 300 picture postcards, motifs of Hamburg, c. 1895–1930 (some later cards), predominantly unused and not labele...
3 Leather Photographic Albums 2 albums with decorative mounts, presumably for cartes-de-visite,
3 Leather Photographic Albums 2 albums with decorative mounts, presumably for cartes-de-visite, one in plain leather, the two larger albums with c...
Copper Plate Press by Hughes & Kimber, London, c. 1875 Cast iron. Cylinder width: 13 in. Provenance:
Copper Plate Press by Hughes & Kimber, London, c. 1875 Cast iron. Cylinder width: 13 in. Provenance: artist workshop in Southern England. Already ...
Porcelain Sculpture of the Inventor of Printing Johannes Gutenberg by Rex Spain, c. 1975. Produced
Porcelain Sculpture of the Inventor of Printing Johannes Gutenberg by Rex Spain, c. 1975. Produced in a limited edition of 100, the figure depicts...
"The Minneapolis Panel Silo", 1912 Original U.S. patent or salesman's sample. Made by Puffer Hubbard
"The Minneapolis Panel Silo", 1912 Original U.S. patent or salesman's sample. Made by Puffer Hubbard Mfg. Co., Minneapolis, MN/USA. Wood and metal...
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