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Large Lot of Physical Demonstration Models, from 19th Century 1) Plug resistance bridge with
Large Lot of Physical Demonstration Models, from 19th Century 1) Plug resistance bridge with voltmeter by ""Siemens & Halske"". ? 2) 4 Ruhmkorff ...
13 Books on Historical Technology German language. Literatur ""Technik"" 1) ""Das Weltreich der
13 Books on Historical Technology German language. Literatur ""Technik"" 1) ""Das Weltreich der Technik"", Artur Fürst, Berlin 1923. ? 2) ""Brau...
2 Acetylene Burners, c. 1900 Brass, one on wooden base, manufactured by ""Richard Ch. Heller & Cie,
2 Acetylene Burners, c. 1900 Brass, one on wooden base, manufactured by ""Richard Ch. Heller & Cie, Paris"" and ""E. Mazo, Paris"". 2 Acetylen-B...
Dip Circle, c. 1910 Physical demonstration instrument, used to measure the angle between the
Dip Circle, c. 1910 Physical demonstration instrument, used to measure the angle between the horizon and the earth`s magnetic field. Originally l...
Neon Lamps Physical-Demonstration Model, c. 1920 French teaching model, with 8 individually-
Neon Lamps Physical-Demonstration Model, c. 1920 French teaching model, with 8 individually-operated neon bulbs, on wooden base, 15 ¾ in. wide. ...
Early Geissler Tube, c. 1875 Physical-demonstration model of a gas discharge tube, with 2 uranium
Early Geissler Tube, c. 1875 Physical-demonstration model of a gas discharge tube, with 2 uranium glass helixes, length 13 ¾ in., in fruitwood ca...
Geissler Fluorescent Tube, c. 1920 Physical-demonstration model, with 2 fluorescent liquids, on
Geissler Fluorescent Tube, c. 1920 Physical-demonstration model, with 2 fluorescent liquids, on wooden stand, overall height 15 in., working. Ge...
2 Hydrometers and 1 Writing Box, c. 1850 1) ""Sikes`s Hydrometer"", by ""Jos. Long, London"",
2 Hydrometers and 1 Writing Box, c. 1850 1) ""Sikes`s Hydrometer"", by ""Jos. Long, London"", complete with ivory thermometer and 2 slide rules, ...
Lot of Scientific Demonstration Models 1) Protractor according to Henly. ? 2) Galvanical voltmeter.
Lot of Scientific Demonstration Models 1) Protractor according to Henly. ? 2) Galvanical voltmeter. ? And: 3) Various conductors. Wissenschaftli...
Physical-Demonstration Model Crookes` Tube, c. 1920 With anode, cathode and platinum plate on
Physical-Demonstration Model Crookes` Tube, c. 1920 With anode, cathode and platinum plate on wooden stand, overall height 15 2/5 in., working. ...
Large Radiometer according to William Crookes, c. 1905 6-part light mill, manufactured by ""Rudolf
Large Radiometer according to William Crookes, c. 1905 6-part light mill, manufactured by ""Rudolf Pressler, Cursdorf""/Thuringian Forest, multic...
Special Valves Very interesting valves for demonstrations. 1) Leybold 55508. ? And: 2) 2 more
Special Valves Very interesting valves for demonstrations. 1) Leybold 55508. ? And: 2) 2 more models. Spezial-Röhren Sehr interessante Röhren fü...
3 Physical Vacuum Tubes, c. 1920 1) Canal ray tube according to Goldstein, 17 in. high. ? 2) Tube
3 Physical Vacuum Tubes, c. 1920 1) Canal ray tube according to Goldstein, 17 in. high. ? 2) Tube with fluorescent screen, 11 ½ in. wide. ? And: ...
Physical Demonstration Model ""Variable Self-Induc tion"", c. 1910 Manufacturer: ""Max Kohl,
Physical Demonstration Model ""Variable Self-Induc tion"", c. 1910 Manufacturer: ""Max Kohl, Chemnitz"", with 2 brass coils and slide control, mo...
6 Special Valves and Lamps 1) GCP (France) ""Konotron"". ? 2) Kostix HD 286?0. ? 3) Haltron (?). ?
6 Special Valves and Lamps 1) GCP (France) ""Konotron"". ? 2) Kostix HD 286?0. ? 3) Haltron (?). ? 4) Osram HMI. ? 5) Radium H375X. ? And: 6) BBC...
Large Leyden Jar, c. 1905 Manufacturer: ""Max Kohl, Chemnitz"", according to Kleist/Musschenbrok,
Large Leyden Jar, c. 1905 Manufacturer: ""Max Kohl, Chemnitz"", according to Kleist/Musschenbrok, on porcelain legs, 23 in. high! The oldest form...
Lot of Microscopes with Accessoires 1) ""Busch, Rathenow"" microscope, no. 12277, with box, c.
Lot of Microscopes with Accessoires 1) ""Busch, Rathenow"" microscope, no. 12277, with box, c. 1890. ? 2) ""E. Leitz, Wetzlar"" microscope, no. 1...
Seibert Brass Research Microscope, c. 1875 Seibert, Wetzlar. Original lacquer, height approx. 11 ¾
Seibert Brass Research Microscope, c. 1875 Seibert, Wetzlar. Original lacquer, height approx. 11 ¾ in., square stage, 2 spring clips, with 2 eyep...
Stereo Microscope by Carl Zeiss Jena, 1902 Serial no. 66574, cross table, double mirror, with 3
Stereo Microscope by Carl Zeiss Jena, 1902 Serial no. 66574, cross table, double mirror, with 3 pairs of eyepieces and 4 pairs of objectives in w...
Zeiss Binocular Microscope, c. 1960 ""Carl Zeiss, Oberkochen"", complex laboratory device, with
Zeiss Binocular Microscope, c. 1960 ""Carl Zeiss, Oberkochen"", complex laboratory device, with quadruple-nosepiece, iris diaphragm, electric lig...
Copperplate ""L`Optique""/""The Optical Viewer"", 1794 1) Legendary painting by Louis-Léopold
Copperplate ""L`Optique""/""The Optical Viewer"", 1794 1) Legendary painting by Louis-Léopold Boilly, c. 1780, engraved by famous Fréderic Cazena...
Original Copperplate ""La Curiosité"", c. 1760 Famous large peep show motif by Reinier Brakenburg
Original Copperplate ""La Curiosité"", c. 1760 Famous large peep show motif by Reinier Brakenburg of 1660, later engraved by Noel Le Mire. ? Alth...
Surveying Level by ""Tavernier-Gravet"", c. 1890 Brass level signed ""Tavernier-Gravet ? Rue de
Surveying Level by ""Tavernier-Gravet"", c. 1890 Brass level signed ""Tavernier-Gravet ? Rue de Babylone 39 Paris"", with bubble level, length of...
Large ""Otto Fennel"" Theodolite, c. 1925 By ""Otto Fennel Söhne, Kassel"", no. 24511, silvered
Large ""Otto Fennel"" Theodolite, c. 1925 By ""Otto Fennel Söhne, Kassel"", no. 24511, silvered scales, 4 magnifiers, 4 spirit levels, length of ...
Plane Table Alidade by ""Lindig"", c. 1870 Marked: ""M. Lindig in Dresden"", lacquered brass,
Plane Table Alidade by ""Lindig"", c. 1870 Marked: ""M. Lindig in Dresden"", lacquered brass, length 20 ½ in. Kippregel von ""Lindig"", um 1870 ...
Early English Level, c. 1810 Manufactured by ""Beilby, Bristol"", brass, 1 bubble level, length
Early English Level, c. 1810 Manufactured by ""Beilby, Bristol"", brass, 1 bubble level, length 18 ½ in., with wooden case. Frühes englisches Ni...
Repetition Theodolite by Fennel, Kassel, c. 1960 German precision surveying instrument, no. 100951,
Repetition Theodolite by Fennel, Kassel, c. 1960 German precision surveying instrument, no. 100951, length of the telescope 7 in., in metal box, ...
Wild N2 Surveying Level, c. 1950 Swiss precision instrument by ""Wild, Heerbrugg"", no. 6908,
Wild N2 Surveying Level, c. 1950 Swiss precision instrument by ""Wild, Heerbrugg"", no. 6908, length of the telescope 7 4/5 in., in metal case, w...
Large Induction Coil According to Ruhmkorff, c. 1906 Manufacturer ""AEG, Berlin"", for spark length
Large Induction Coil According to Ruhmkorff, c. 1906 Manufacturer ""AEG, Berlin"", for spark length up to 12 in.! Overall size 28 x 11 x 19 1/3 i...
3 Single-Fluid Bichromate Cells, c. 1890 Classical bottle batteries, with carbon and zinc electrodes, 2 x with adjustable zinc electrodes, 7, 8 a...
Large Light Bulb and Valve Collection, from 1920 Screw and bayonet bases, mostly 110 or 220 V, with
Large Light Bulb and Valve Collection, from 1920 Screw and bayonet bases, mostly 110 or 220 V, with blacklight, projection and light bulbs in dif...
Rotary Steam Engine American steam motor, made of iron and brass, unmarked, valve control by cam
Rotary Steam Engine American steam motor, made of iron and brass, unmarked, valve control by cam disc, with belt pulley, length 12 ¼ in. A rare c...
Variable Capacitor and Voltmeter, c. 1910 1) Oil-filled variable capacitor by: ""Siemens & Halske"", system Prof. Braun, marked ""F.T.V.K.14"". ?...
Van de Graaff Generator Electrostatic generator used to accumulate very high voltages, 230 V,
Van de Graaff Generator Electrostatic generator used to accumulate very high voltages, 230 V, acrylic glass insulators, with spherical discharge,...
Edison Battery Jar with Ceramic Lid and 3 Lead Paddles Lid marked: ""BSCO ? Primary Battery ?
Edison Battery Jar with Ceramic Lid and 3 Lead Paddles Lid marked: ""BSCO ? Primary Battery ? Manufactured by Edison Mfg. Co. Orange. N.J. U.S.A....
3 Ruhmkorff Induction Coils, c. 1900 1) Large-format model, coil 8 ¼ in. wide, with transformer and
3 Ruhmkorff Induction Coils, c. 1900 1) Large-format model, coil 8 ¼ in. wide, with transformer and rectifier, working order, with 1 small Geissl...
Plug Resistance Bridge by ""Siemens & Halske"", c. 1900 Large German precision instrument, with
Plug Resistance Bridge by ""Siemens & Halske"", c. 1900 Large German precision instrument, with galvanometer, slide plate with scale 0,1?20, Ø 9 ...
Electromechanical Electric Meter Manufactured by ""Compagnie Fabrication, Paris"", 120 V, up to 300
Electromechanical Electric Meter Manufactured by ""Compagnie Fabrication, Paris"", 120 V, up to 300 A, with glass cover, on marble base Elektrom...
6 Historical Light Bulbs 1) Large bulb, E40 socket, 115 V, 2,000 W, with transformer and switch. ?
6 Historical Light Bulbs 1) Large bulb, E40 socket, 115 V, 2,000 W, with transformer and switch. ? And: 2) Mount with 4 bulbs and 1 glow lamp, E2...
Ruhmkorff Induction Coil Manufactured by ""Leybold"", for spark gaps up to 4 in., 6?8 V, overall
Ruhmkorff Induction Coil Manufactured by ""Leybold"", for spark gaps up to 4 in., 6?8 V, overall size 17 ¾ x 9 ½ x 11 2/5 in. Ruhmkorff`sche Ind...
Manufacturer`s Sign ""Maschinenfabrik Carl Pohlers"", c. 1920 Cast iron, size 25 x 8 ¼ in. Herstellerschild ""Maschinenfabrik Carl Pohlers"", um...
Rare American 4th of July Advertising Poster, c. 1925 Printed by Donaldson Litho Co., Newport, size
Rare American 4th of July Advertising Poster, c. 1925 Printed by Donaldson Litho Co., Newport, size 19 x 28 in., linen-mounted. Seltenes Poster ...
Enamel Sign ""Arbeitsamt"", c. 1930 Arched, size 13 x 19 5/8 in., good condition. Emailleschild ""
Enamel Sign ""Arbeitsamt"", c. 1930 Arched, size 13 x 19 5/8 in., good condition. Emailleschild ""Arbeitsamt"", um 1930 Gewölbt, Maße 33 x 50 cm...
Deer Antlers with Nazi Symbols, c. 1940 Mounted on wooden plate, with swastika and SS insignia.
Deer Antlers with Nazi Symbols, c. 1940 Mounted on wooden plate, with swastika and SS insignia. Geweih mit nationalsozialistischen Symbolen, um ...
2 Large-Size Posters ""Mining"", 1923 Signed: ""Josef Danilowatz"", Deutscher Verlag für Jugend und
2 Large-Size Posters ""Mining"", 1923 Signed: ""Josef Danilowatz"", Deutscher Verlag für Jugend und Volk, Wien; size: 36 x 25 in./each. ? Decorat...
Gin Trap and Smoking Hook, 19th Century Hand-wrought iron, working gin trap. Fangeisen und Räucherhaken, 19. Jh. Handgeschmiedetes Eisen, Fangei...
English Aviation Alarm Bell, 1929 With wall or bulkhead mounting, clapper operated by turning
English Aviation Alarm Bell, 1929 With wall or bulkhead mounting, clapper operated by turning handle, 48 cm (19 in.) overall. Englische Feuerala...
Hairdressing and Shaving Equipment Curling iron, shaving knife and razor blade sharpener. 3 Frisier- und Rasiergeräte Brennschere für Locken, Ra...
2 Antique Drawing Instruments 1) Dotted line pen by ""E.O. Richter, Chemnitz"", c. 1910, in leather
2 Antique Drawing Instruments 1) Dotted line pen by ""E.O. Richter, Chemnitz"", c. 1910, in leather case. ? And: 2) Protractor with arm, by ""Hil...
6 Drawing Sets and 1 Galileo-Type Sector 1) English Army drawing set, 1940, manufactured by ""
6 Drawing Sets and 1 Galileo-Type Sector 1) English Army drawing set, 1940, manufactured by ""Harling, London"" (1 compass damaged). ? 2) English...
Copper Plate Press ""Eug. Brisset et Cie, Paris"", c. 1875 Cast iron. Cylinder width: 14 ½ in.
Copper Plate Press ""Eug. Brisset et Cie, Paris"", c. 1875 Cast iron. Cylinder width: 14 ½ in. Provenance: Artist workshop in Southern France. Al...
Toy Printing Machine, c. 1910 Manufactured by ""A.P., Paris, with cast-iron printing press on
Toy Printing Machine, c. 1910 Manufactured by ""A.P., Paris, with cast-iron printing press on wooden base, 2 boxes with metal blocks and further ...
U.S. Patent Model or Salesman`s Sample for Automatic Gate By ""National Products Co., Newton"",
U.S. Patent Model or Salesman`s Sample for Automatic Gate By ""National Products Co., Newton"", nickel-plated metal, oak base and poles, very det...
U.S. Patent Model, Salesman`s Sample or Exhibition Model for Electric Safety-Grating, c. 1905
U.S. Patent Model, Salesman`s Sample or Exhibition Model for Electric Safety-Grating, c. 1905 Patent No. 763890 by Gustav T.E. Henriksen, Milwauk...
Collection of Pharmacy Bottles and Measuring Glasses, c. 1900 Approx. 40 pieces, Germany and
Collection of Pharmacy Bottles and Measuring Glasses, c. 1900 Approx. 40 pieces, Germany and England, mostly hand-blown glass bottles with ground...
3 Pharmacy Glass Jars, c. 1850 Hand-blown glass, 1 with ground stopper, 2 with gilt lids, heights
3 Pharmacy Glass Jars, c. 1850 Hand-blown glass, 1 with ground stopper, 2 with gilt lids, heights 11 and 13 1/3 in. ? Add-on: 4 Hungarian (Budape...
Collection of Pharmacy Glass Bottles, from 19th Cent. 38 glass bottles of different sizes, mostly
Collection of Pharmacy Glass Bottles, from 19th Cent. 38 glass bottles of different sizes, mostly with ground-glass stoppers, some with hand-pain...
9 Pharmacy Jars, from 18th Century Porcelain or ceramic, hand-painted, height up to 15 in. Among
9 Pharmacy Jars, from 18th Century Porcelain or ceramic, hand-painted, height up to 15 in. Among others a small jar from Strasbourg, c. 1780, wit...
11 Hand-Colored Copper Engravings 10 of them framed, from: James Sowerby, ""English Botany"", c.
11 Hand-Colored Copper Engravings 10 of them framed, from: James Sowerby, ""English Botany"", c. 1790, 4 ¾ x 7 4/5 in. 11 handkolorierte Kupfers...
Electrotherapy Instrument ""Lana-Lux"", c. 1925 Violet-ray machine with glass electrodes, 110/220
Electrotherapy Instrument ""Lana-Lux"", c. 1925 Violet-ray machine with glass electrodes, 110/220 V, in suitcase, very extensive accessories. El...
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