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Sartorius-Werk, Germany, |
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1848 - Box of manuals for Elmiskop electron microscope Siemens, The box contains an unopened box of Ilford Type EM-5 plates (develop before APR 1977) Catalogue Eg 1 Electron Microscopes, Additional Equipment, Accessories, Vacuum Evaporation Unit, Spare Parts. Ord. No. 4-7601-205-1 with ammendment No5 (... |
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Unknown, Australia Black foam plastic object in the shape of a pitch drop, a traditional stress toy as allegedly used by high-powered executives under stress. |
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Restoration Hardware, Usa The crystal set is in the shape of a rocket. It contains an air-wound solenoid for the coil, a piston variable capacitor operated by the knob on top of the rocket, and a crystal earpiece. A clip is attached to a short wire for connecting to a... |
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Fuller's United Electric Works Ltd, England A small coil is moved by a knob across a larger coil to tune stations. There is no variable capacitor. It uses a cat's whisker crystal detector. |
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1877 - Small Selenium Rectifier Unknown, This encapsulated selenium rectifier was created to compete with the newly-created silicon and germanium diodes for low voltage low current power supplies. Its market position was brief. |
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Union Carbide Australia Limited, France 4.5 Volt Leclanche primary dry battery. Used to bias grids of radio valves. It draws no current and was expected to last its shelf life when in service. |
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Unknown, Unknown pattern, appears to be complete in itself. It contains a high voltage wire for detecting leaks and testing vacuum pressure. |
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Unknown, Unknown pattern. Appears to be one part only of a multistage pump. Contains a high voltage wire for leak testing and testing vacuum pressure. |
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Cambridge Instrument Co Ltd, England The galvanometer has a mirror suspended on a long wire, and is used with an external light and scale to read the deflection. This unit has a long period of oscillation about 45 seconds. This means it can be used as a ballistic galvanometer. |
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1882 - Wheatstone Bridge DCBSR6 J L William Scientific Instruments, Australia Standard Wheatstone bridge for measuring resistance down to about 0.01 Ohm. Arm resistances are Manganin and are selected with rotary switches and plugs. Arm ratio is selectable using a rotary switch. |
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Unknown, Leclanche cell with porous pot holding a carbon anode, surrounded by the cathode, a cylinder of zinc (missing), sitting in a glass jar, which would have contained the electrolyte solution of Salammoniac (Ammonium Chloride). |
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192 - Ayrton-Mather Static Voltmeter Cambridge Instrument Co. Ltd., England |
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1885 - Sulphur Dioxide Display Australia The glass cylinder is filled with water, with corks at either end. A sign under the cylinder reads SULPHUR DIOXIDE. The word sulphur is in blue, and the word Dioxide is in Red. The cylinder appears to invert the word Sulphur, but not the word... |
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Radiophysics Laboratory, Australia The unit consists of quarter-wave cavity whose length can be varied by a plunger attached to a micrometer thimble. A crystal diode and 100uA meter at the electrical node indicate a maximum when the cavity is set to the right length. The frequency... |
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1887 - Autographic Brownie No 2-A Folding Camera Eastman Kodak Co., Usa The camera has folding bellows which allows for variable focus by sliding the bellows along a rack, and to fold the bellows and lens assembly back into the camera body, when not in use. Variable aperture is by iris assembly. Exposure time is 1/25, 1... |
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Glass tubed laser with end dichroic mirrors.There is a capillary discharge tube down the middle. There is a side shielded cathode near one end of the main tube. There was an electrode at the other end for the anode, but is missing. |
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Unknown, England Fine resistance wire is wound on a mica former. There are 4 wires in all, connected in series-parallel to form a centre-tapped wire-wound resistor. The wires are wound in two pairs, each pair being wound in anti-phase, so there is nearly... |
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1890 - Valve Beam Tetrode 6KD6 general Electric, Usa The valve is a sweep tube ie horizontal line output tube, used in colour TV. Colour TV with CRT tubes used EHT voltages up to 35kV to generate a beam of electrons adequate to illuminate the colour pixels on the CRT screen. Thus to deflect... |
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1891 - Box for SR-52 Calculator Texas Instruments, Usa |
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Weston Electrical Instrument Corp, Usa This is a 5.443 mA 15 mV shunt for Weston meter model 508, unit no 2209. |
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Unk, This is a two-terminal rectifier assembly of six individual selenium cells designed for low voltage and relatively low current. It is possibly an instrument rectifier. |
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1894 - Galilean Binoculars (Ivory) ?ros & Co Sydney and Brisbane, The Galilean binocular uses a convex objective lens and a concavo eyepiece lens. The viewed object is therefore viewed in the upright position. However the field of view is restricted compared with binoculars using convex lenses for objective... |
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Amperite Co, Inc. Union City, N.J., Usa Time delay relay sealed in valve envelope. A bimetallic strip is heated, until after a given time the strip bends and closes a contact. |
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1915 - Valve for P.C.B. mounting (F6057) BRIMAH, England (circa 1960) Miniature valve has long leads for connection to printed circuit board rather than pins for a socket. |
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1895 - Model of Prismatic Binocular Train Germany The prismatic binocular uses two convex lenses, one for objective, one for eyepiece. This lens system inverts, and produces a mirror image of, reality. The prismatic system corrects for this. The light goes thru a convex objective lens, is reversed... |
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1916 - Valve for P.C.B. mounting (CV4045) BRIMAR, England (circa 1960) A miniature valve with long leads for connection to a printed circuit board. |
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1896 - Folding Cardboard Binoculars Clean Scope, Japan Galilean system binoculars with lenses mounted on a cardboard frame, which can be folded flat. Focussing can be done by distorting the frame to change the distance between objective and eyepiece. Magnification X2.5, objective aperture 25 mm. |
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unknown, This could be a recent replica. |
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1918 - Optical assembly from Norden M9 bombsight Usa (WW II) Part of a WW2 gyroscopic bombsight. A large number of these bomsights were obtained by the Physics Department after the war and were canibalised by the Physics Workshop to make research and teaching lab equipment. |
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1919 - ARRL Lightning Calculator Type A The American Radio Relay League, Inc., Usa A cardboard circular slide rule for calculations of wavelength/ frequency, inductance, capacity, resonant frequency, and coil inductance. |
| The UQ Physics Museum is also home to a large collection of books. These include reference books on experimental and applied physics, catalogues and instruction manuals for instruments, books which have been written by or used by former staff... | |
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1897 - Crookes' Radiometer (Modern) Ure, England The bulb is evacuated to a soft vacuum. The rotating vanes pivot on the point of a wire. They are silvered one side and blackened the other. Radiation received by the blackened side heats that side and the adjacent gas molecules, creating convection... |
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1898 - Crookes' Paddle Wheel Tube (Modern) Unknown, The paddle wheel is inside an evacuated tube, and travels along glass rails on a wire axle, between two electrodes. When a high DC voltage is applied between the electrodes, the impact of electrons propels the paddle wheel. |
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1899 - Radiation Protection Slide Rule Nestler, Germany Used for safety calculations after a Soviet nuclear attack. |
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Abbot Brown, England Calculates activity of isotopes created in a nuclear reactor. |
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1921 - Basic Circular Slide Rule Unknown, Basic slide rule, scales not identified, no instruction booklet. Conversion tables on the back. |
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1922 - Rectifier Valve 5AS4/5U4G AWV, Australia This is a full-wave vacuum rectifier used in the power supply for black and white TVs. It could supply up to 300 milliamps at 280 volts. |
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1923 - Transmitting Valve 800 Series RCA, Usa This is a HF triode used as a driver or final stage in medium power valve transmitters, or AF amplifier in valve modulators. It operates with about 1000 Volts on the plate. |
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Amperex, Usa This is a half-wave rectifier for supplying high voltage in valve transmitters. |
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1925 - HV Valve Rectifier AV11 Radiotron, Australia This is a half-wave vacuum rectifier. It was conceived in a hurry during WW II, using parts from existing valve types. It was used for low currents at high voltages, particularly for CRO HT voltages. |
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RCA, Usa This is a full-wave vacuum rectifier, used to supply high voltage to medium power transmitters and modulators. |
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Fowler & Co, England This is a circular slide rule. |
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Mazda, England |
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1933 - Box of material relating to D.F. Robertson NRH, Reprints, notebooks, catalogues etc related to Dr Donald Fyfe Robertson. |
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1938 - Mariner's Astrolabe Replica Mosteiro des Jeronimos (Monastery of Jerome, Lisbon, Portugal), Other This replica is about half the size of a Portuguese Mariner's astrolabe. It was purchased in Portugal in 2014 and seems to be based on one of five recovered in 1971 from the wreck of the Spanish galleon Nuestra Senora de Atocha which went down in... |
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Eveready, China This bulb is used in a (electric) torch. It is rated at 2.4 Volts, to be operated from two 1.5 Volt dry cells in series. |
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Philips, China This is an arc discharge lamp operating through a ballast from the AC mains. The coating fluoresces through bombardment from the discharge, to give a fair rendering of white light. |
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Unknown, This lamp has two parallel helical filaments. Purpose is unknown. |
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1944 - Festoon Incandescent Lamp Osram, England This festoon lamp is used in trucks and vans for illuminating small areas. |
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1940 - Instrument Lamp on Mount Thorn, England This lamp has a straight line filament, making it suited to galvanometers and other instruments requiring the deflection of a line of light (vertical or horizontal) to be measured against a scale. |
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1945 - Box of Neon Bulbs & Slits bulbs GE, Slits unknown, Usa This box contains miniature Neon glow bulbs, and slits for optical apparatus. |
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- History of Physics Department to 1998 Norman Heckenberg, A history of UQ Physics staffing compiled by Norman Heckenberg in 1998 as part of a Departmental Review Report. |
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- History of Physics Department to 1970 Hugh Webster, This history of the department up to 1970 was compiled by Prof Hugh Webster. |
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Electrim Corporation, Usa (circa 1995) This is a relatively early CCD camera (0.03 Megapixels) developed mainly for amateur astronomers. It was used at UQ for recording the shapes of laser beams. |
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Philips, Holland This is a small incandescent bulb, rated at 6 Volts 15 Watts, used in optical instruments such as galvanometers. The straight line filament allows its use with a scale for measuring galvanometer deflection. |
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Osram, England This lamp has a discharge tube which vaporises sodium under low pressure, and produces light with a yellow tinge, characteristic of the sodium ion. The tube is operated from the AC mains through a ballast (inductor) to limit the current drawn. |
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1930 - Double filament Automotive Bulb GE, Usa This bulb was designed for use in car headlights. There are two filaments, one for high beam, one for low beam. A foot pushbutton, or hand lever, was used to switch between filaments. |
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Unknown, Usa A neon discharge occurs between the two spirals, which are designed to spread out the glow to make it prominent. |
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GE, Usa This small lamp was used for industrial lighting of equipment, for caravans, and domestic lighting in small spaces. It operates from the AC mains through a ballast (inductor) to limit the current drawn. A discharge through mercury vapour produces UV... |
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Ediswan, England (after 1921) The R type triode was conceived 1915 in England, based on the French TM type triode. This and the TM type were the first commercially produced hard vacuum valves. 100,000 of each of the R and the TM types were made during... |
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Unknown, Usa The globe contains two spirals which spread the neon gas discharge between them, so it is more visible. |
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Philips, Holland Tungsten coils are suspended between two glass blocks. One block is fixed, the other loaded by springs that maintain tension in the wires as they heat up. |
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Philips, Other This is a filament lamp, ooperating at a temperature to maximise the radiation of Infra-red light. The heat was used to warm injured tissue and enhance healing. |
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Unknown, This lamp has spiral and disc electrodes to spread the neon glow discharge and make it more visible. |
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Philips, China This is a Mercury discharge lamp, which creates a high level of UV radiation. This bombards the internal coating on the bulb which fluoresces to give a violet-tinted white light. |
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Unknown, Unknown use. |
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1946 - Small Incandescent Bulb & Socket Philips, This bulb is typically used in electric torches and domestic radios. |
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Unknown, This is a discharge lamp containing Neon gas. The discharge is between a disc and a helical structure to spread the discharge, and make it more visible.. |
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Amalgamated Wireless (Australasia) Ltd, Australia This is a Vacuum-Tube Volt Meter (VTVM), operating from an internal AC supply. It has a double triode in a cathode-follower configured Wheatstone bridge circuit. Input voltage applied to one triode grid unbalances the bridge, and... |
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1949 - Astrolabe 51 deg N + 41 deg N National Maritime Museum, Greenwich, The astrolabe was used to navigate by, or identify, stars at a given date and time of the year. This cardboard model was made from a kit. |
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Sunmap, Australia Star chart based on Brisbane, 27.5 degrees South. An internal wheel with star chart is set to date and time of the year. An oval window with overlaid clear plastic chart of meridians. |
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1951 - Astrolabe 37 deg 37 mins South Reproduced from James Morrison's book 'Astrolabes', Australia Astrolabe based on Sydney. Meridian chart on card, overlaid with star chart on clear plastic, clear plastic cursor. |
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