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Burroughs Class 1 Style 6 Adding Machine, c. 1920 No. 6-946705, electric motor, 220 V, working, for the German market, beveled front glass, with g...

Burroughs Class 2 Duplex Calculating Machine, c. 1915 No. 17-74972, 220 V electric motor, on tubular frame, beveled glass front. Mechanism in work...

Alphabetic Acccounting Machine Burroughs Sensimatic, c. 1960 Model F1700, with data balance and 16 memory devices, electrically-operated (220 V), ...

Printing Adding Machine "Burroughs" (Class 1), c. 1910 1) Serial no. 61513. 6 rows, mechanical, working, with 3 beveled glass sides. (2-/2-) - And...

11 Electronic Calculating Machines Silver-Reed 12 PD - Sharp Compet CS-2184S - Burroughs C5000 - Texas Instruments TI-450 - Sanyo ICC-805 - Triump...

Olympia CD400 Desktop Calculator, 1970 No. 0212-27624, 12 digits, Nixie tubes, 100-240 V, working, with manual. Zustand: (3+/2) Tischrechner Olymp...

4 Electrical Calculators, c. 1925 1) "Archimedes" model LK, 220 V, working. - 2) "Archimedes" modell NE, 220 V, working. - 3) "Marchant", USA, 115...

4 Mechanical Calculators, c. 1925 1) "Continental", with printer. - 2) "Rheinmetall". - 3) "Badenia". - And: 4) "Burroughs". - All machines in wor...

Siemens & Halske Telegraph Station, c. 1900 Complete telegraph inkwriter equipment containing brass telegraph with clockwork motor (sticking), rel...

Complete Apparatus for Wireless Telegraphy, c. 1908 Gebrüder Bing, Nuremberg. Consisting of: Transmitter with Morse key, Ruhmkorff spark-inductor ...

Brass Ink-Writer Telegraph, c. 1890 Unsigned, clockwork drive, mahogany base, working but missing springs. Zustand: (3-4/3-4) Messing-Farbschreibe...

Complete Dictaphone Dictating System, c. 1915 Manufactured by Dictaphone Company m.b.H., Berlin. Dictating and reproducing machine, electrically d...

"Apple Macintosh M0001 WP" Computer, 1984 No. F44432AM0001P, manufactured in Fremont, USA. 512 K, Motorola 68000 CPU, 9 in. CRT monitor, single-si...

"Victor 9000 Sirius 1" Computer, 1982 Victor Technologies, USA. Intel 8088 CPU, 128 KB RAM, 800 x 400 monochrome monitor, 5 ½ in. disc floppy driv...

"Commodore PET 2001-8N" Computer, 1980 Case interior dated: March 1980, 8 bit, MOS 6502 CPU, QWERTY keyboard, 74 keys, separate numeric keypad, 40...

"Commodore CBM 3032" Computer with Dual Drive Floppy Disc 4040, 1978 onwards USA, serial no. 1321947, MPS 6502 CPU, 32 KB RAM, 40 x 24 monochrome ...

"KWS SAM 68K" Computer, 1983 KWS Computersysteme, Ettlingen. Hitachi HD 68000 P8 CPU, 256 KB RAM, 2 floppy discs 5 ¼ in., with keyboard. A rare Ge...

"IBM Portable" Personal Computer, 1984 Foldable and removable keyboard, Intel 8088 CPU, 256 kb memory, internal 9 in. monochrome monitor, 5 ¼ in. ...

3 Nixdorf Computers, 1975-80 1) "Notebook 8810/16". - 2) "Notebook 8810/M15". - And: 3) "8870 Quattro 17", with monitor, keyboard, matrix printer ...

Precision Tachymeter Theodolite by Sanguet, c. 1890 Signed: "J. L. Sanguet, Inventeur Constructeur, 31, rue Monge, Paris", inset silver scales wit...

Dutch Transit Theodolite by Becker, c. 1850 Signed: "C. Becker, Arnhem". Brass, length of the telescope 8 ¼ in., rack-and-pinion focusing, 7 in. d...

French Transit Theodolite, c. 1860 Signed on paper label in case: "L. Charles, Paris". Original lacquered brass, 12 ¼ in. telescope with rack-and-...

Early Theodolite by Eccard in Carlsruhe, c. 1820 No. 2, signed on the vertical half-circle scale, brass, 2 spirit levels, telescope with rack-and-...

American Theodolite by Berger & Sons, c. 1925 No. 15120, signed "C.L. Berger & Sons, Boston, USA", brass, partially black-painted, silver scales, ...

Surveyor's Transit Theodolite by Kraft & Sohn, Vienna, c. 1870 No. 443, original lacquered and bronzed brass, silvered compass and scale, 1 spirit...

German Transit Theodolite by Pistor & Martins, c. 1850 Signed "Pistor & Martins, Berlin", no. 523, brass, silvered compass dial, Ø 6 in., height 1...

Early Compass Theodolite by Field in London, c. 1810 Brass, signed on the horizontal circle, Ø 7 ¾ in., height 8 ¼ in., telescope length 11 in., f...

Austrian Theodolite by Starke & Kammerer, c. 1895 Universal level, signed "Starke & Kammerer, Wien, No. 10721", original lacquered brass, 2 levels...

French Plane Table Alidade, 1931 Signed "Ministre de la Guerre" (war minister), no. 10663, original lacquered brass, length 17 ¾ in., in fitted wa...

Large "La Filotecnica" Microscope Theodolite, c. 1890 Ing. A. Salmoiraghi & C., Milano. No. 28109, original lacquered and oxidized brass, 3 levels...

Large Collection of Geissler Tubes, c. 1915 22 mixed vacuum tubes, 4 of them liquid-filled, 11 of them with uranium glass parts, not all with elec...

6 Physical Demonstration Tubes, c. 1915 1) X-ray tube, length 13 in. - 2) Maltese cross tube, length 7 in. - 3) Puluj's radiometer, height 4 1/3 i...

Electro-Physical Experimental Set, c. 1910 France. "Electricité", consisting of: chrome-acid cell, Geissler tube and induction coil, size of case ...

Collector Literature: Scientific Instruments, Automata and additional Themes Public Private Science - The King George III Collec-tion, Alan Q. Mor...

Kern Periskop Gonio 10 x 50, 1977 Swiss twin telescope, no. 448, with tripod. A high-end product for the Swiss army. Zustand: (2/1-2) Kern Perisko...

Sighting Scope and Monocular Telescope Unmarked. 1) Brass, black-painted, rack-and-pinion focusing, length 5 ½ in., on Perspex base, c. 1900. - An...

English Brass Culpeper-Type Compound Monocular Microscope, c. 1790 Unsigned, lacquered brass, draw tube, concave single mirror, closed height 10 1...

Leitz Microscope and Box with Preparations 1) "E. Leitz, Wetzlar" microscope, no. 188163, original lacquered brass, black cast-iron tripod, 3 lens...

Electro-Magnetic Motor with Rotating Geissler Tube, c. 1915 Manufacturer: "PG - Paris". Magnetic machine with six-pole rotator and two electro-mag...

Electro-Magnetic Motor and Geissler Tube, c. 1915 1) Motor, 2 electro-magnets, height 8 ¼ in., with arrangement for revolving Geissler tubes. - An...

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...

Group of Precision Measuring Instruments 1) Milliampere meter by Hartmann & Braun, c. 1950. - 2) 4 Siemens & Halske instruments: Millivolt moving-...

3 Electro-Physical Demonstration Models, c. 1915 1) Stand with 2 copper spirals separated by a glass cylinder, with an incandescent lamp, height 1...

Nautical Quadrant by G.W. Klein, c. 1880 Signed: "G.W. Klein, Kjøbenhavn", brass, bone scale, degrees 0-165 - 165-0, 3 mirrors, 2 4/5 in. telescop...

Early Hadley's Reflecting Quadrant (Octant), 18th Century Mahogany frame, boxwood graduated arc (90-0°), 26-inch index arm, missing glass filters ...

Air Meter by Griffin & George, c. 1920 No. L823, up to 100.000 feet, original lacquered brass, in leather case, working. Zustand: (2/2) Windmesser...

Cased Set of Prosthetic Human Eyes, c. 1940s-50s France. 34 plastic interim eyes and a set of 59 numbered irises for color matching, in leatherett...

Cased Set of Prosthetic Human Eyes, c. 1930 onwards France, four glass eyes in shades of blue/grey with simulated blood vessels; 13 interim eyes; ...

Cased Set of Glass Prosthetic Human Eyes, c. 1940s France. 39 fine blue glass eyes, in fabric-lined case stamped "Neostyle, Boutique Modelle", mos...

Early Radio Receiver, c. 1925 Demonstration model, ebonite plate, 2 tubes (RE134, A408), Audio Frequency Transformer Type R-12, plug-in coil, swiv...

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