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50 - 9820A Programmable Calculator Hewlett-Packard Company, USA, No. 1144A00875, Usa (1971) The desk-top calculator has a metal casing with a plastic front. Its features include LED display, 5K RAM, 95-key keyboard, magnetic card storage and printer. The program memory can store up to 500 program steps, and the data memory can store 51... |
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214 - W & G Dualface Comprehensive slide rule model 432 White and Gillespie (W&G), Melbourne, Australia (circa 1960) The "Dualface" comprehensive slide rule (Model 432), is a white celluloid covered wooden rule approximately 35 cm in length boasting a metallic framed cursor with thumbwheel for smooth cursor movement. Markings on the rule include sine, kW,... |
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224 - Fuller's Cylindrical Slide Rule (The Fuller Calculator) W.F. Stanley & Co. Ltd., London, England (1907) Serial Number 2449 1907Also marked PLUQ E534 3B_D_5 P98 S.G. LUSBY in case. This piece is composed of a laquered cylinder with a mahogany handle at one end, in total 33 cm long. On this cylinder is mounted an outer cylinder 15 cm long and 7.5 cm in... |
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237 - Radio Transmission Line Calculator White and Gillespie (W&G), Melbourne, Australia (circa 1945) A circular slide rule of outer diameter 240mm, an inner circle of diameter 210 mm and a radial arm of width 40mm. A slider, with a horizontal cross-wire, slides on the radial arm. A central metal rivet holds the individual sections together and... |
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355 - Planimeter Type: KP-26 #2847 Koizumi, Japan, Japan (circa 1960) This Pole (or polar) Planimeter is able to mechanically measure the area of plane figures. The pole weight is placed on the desk. The pole arm connects the pole weight to the carriage while the tracer point is connected to the carriage by the... |
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356 - Hewlett Packard HP-45 Calculator Hewlett Packard, USA, Usa (circa 1975) Serial Number 1350A 25848 The calculator is cased in black plastic, with 35 buttons and an on/off switch on the front panel. Its display is composed of 15 red LED digital "letters". On the back, there is a panel that can be removed, giving access... |
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500 - Pocket Slide Rule with Addiator Faber-Castell, |
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Max Kohl, Chemnitz, Germany (circa 1910) Invented by Hermann von Helmholtz (1821-1894), the Helmholtz resonator was used to test the presence of a particular harmonic within a musical note. If the harmonic associated with the resonant frequency of the Helmholtz resonator was present... |
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445 - Marine Reflector Compass Model SR150PK Daiko Keiki Seisakusho Co., Japan (1997) Manufactured in Japan, serial number 3502. The date stamped on the serial number plate is 23 May, (19)97. This magnetic compass was used in ships for navigation, and features all of the cardinal and subcardinal directions on a disc mounted on... |
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Fuller’s United Electric Works, LTD., Chadwell Heath, Essex., England (circa 1920) A crystal radio is the simplest radio receiver. The set requires no external power other than the electromagnet radio wave received. As such, a long wire antenna often exceeding 15 m (or 30ft) is necessary, 30m being recommended, depending on the... |
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Philips, (circa 1965) |
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446 - Elmiskop Electron Microscope Siemens, Germany (circa 1960) The Elmiskop 1A transmission electron microscope was made by Siemens in the early 1960’s. Purchased and used by the electron microscope centre at the University of Queensland, it was acquired by the museum in the mid 1980’s. The electron optics... |
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419 - Duboscq Colorimeter Model No.250 Hellige Inc., USA , Usa The Hellige Duboscq Colorimeter has a black bakelite cover shaped like a microscope. It consists of two flat-bottomed tubes* containing smaller tubes*. The bigger tubes are placed on wedges that can be adjusted (up and down) by two knobs on... |
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W.G. Pye & Company, Cambridge, England (after 1950?) Telescope with crosshairs on 1m high tripod stand with scale and micrometer adjustment. Used for accurate non-contact measurement of position, especially of mercury columns, bending beams etc. |
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W. Edwards & Co. Ltd., London, England (1960s?) A vacuum gauge where a sample of gas is compressed by a known ratio to be measured by a mercury manometer. Lacquered wooden upright stand supporting vacuum tubes and compression bulb. Mounted below the assembly, a moveable metal weight, acting as... |
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Askaniawerke AG, Berlin, Germany (circa 1920) Consists of a torsion balance with two platinum masses suspended at different heights by a fixed platinum-iridium wire. Protected by a triple walled torsion chest which may be turned around the axis of the entire instrument and adjusted in any... |
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32 - Weston Standard Cell Model 3 Weston , Usa Cadmium Amalgam and Mercury in a saturated solution of Cadmium Sulphate make a cell of reasonably constant voltage, hence used as a standard of EMF in bridges. Initial voltage around 1.018636 Volts. Discarded when voltage drops below 1.0183... |
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Rustrak, Usa |
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Evershed and Vignoles Ltd., England, England (1950s?) Recording moving coil galvanometer with Murday patent recording pen. |
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Sartorius-Werke, Gottingen, Germany, Germany (circa 1950?) Chemical balance in a polished wood case, glass windows on all four sides. Front window is counterpoised and the side windows can be pulled back. Case has two leveling screws and one bubble level. External weights are required. Vemier is attached to... |
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Germany Moving vane electrostatic volmeter reading to 3500V. |
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37 - Lord Kelvin's Patents Multicellular Voltmeter James White, Glasgow, No. 1405, Scotland Cylindrical brass case, mounted on square wooden base with three levelling screws. Circular 20 cm diameter bevelled glass at top showing silvered dial, horizontal quadrant scale. Non-linear paper-scale allowing readings up to 160 volts. The scale... |
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38 - Reflecting Galvanometer, Ayrton-Mather Pattern Griffin, London, England In this instrument the coil in enclosed in a thin-walled tube, to the upper end of which the optically worked concave mirror is attached. It is suspended so that it swings in the narrow gap between the poles of a powerful permanent magnet. Owing to... |
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Cambridge Scientific Instrument Company, s/n 16979, England (circa1903) A light, two bladed aluminium vane is suspended in the center of quadrant shaped boxes, the opposite pairs of which are connected to the same potential on terminals under the base. The vane is attached to a light rod which carries a small mirror... |
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Cambridge Scientific Instrument Company, England (1932) Cylindrical brass case with four brass terminals, windows on top and bottom (removable for 'spare') showing suspended needle inside, surrounded by four cross-connected plates. Mounted on a black box, with hole covered in frosted glass in wall,... |
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Muirhead and Co., England A decade of resistances (1 to 10ohms) of ten one-ohm resistors connected in series. A switch blade turns over open brass studs to allow resistance between the access terminals to be varied. |
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43 - Thermionic voltmeter (Moullin Patent) Cambridge Instrument Company, England (circa 1925) Moullin Patent No 105403 Wooden box with black top and base. Glass window to read non-linear scale from 0.5-1.5. Two pairs of brass terminals above the window marked 'applied potential' and '6 volts'. Zero adjustment and clamping controls are below... |
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44 - Capacitor, secondary standard, 1 M.F.D. W.G. Pye, Cambridge, England A 1 microfarad capacitor, Brass terminals, provision for short-circuiting using brass plug. Cased in wooden box. |
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45 - Galvanometer Shunt - Universal Cambridge Instrument Company, England Enables current passed to galvanometer to be reduced by known factor variance ratios of attenuation from 3 to 10,000 according to switch pos. Constant resistance 100,000 ohms presented to current source.Manganin wire resistance coils used. |
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Cambridge Instrument Company, England A high sensitivity mirror galvanometer. Housed within a tall black chimney, with glass window opposite mirror. Bubble level. Three leveling screws.Zero set & transit clamp. |
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47 - Electrostatic voltmeter (Ayrton-Mather type) Cambridge instrument Co. Ltd., England, England An electrostatic voltmeter following a design by Ayrton and Mather. A beam of light reflected by a mirror acts as the 'needle'. It could measure DC or AC voltges up to about 10V. It had extremely high impedance but a slow response time measured in... |
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1593 - Regulator Valve 0D3/ VR-150 Westinghouse, Canada |
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RCA, Usa (circa 1940) |
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Cossor, England |
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1590 - Reflex Klystron Valve 6BM6/ A1911 Raytheon, Usa |
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General Electric, (circa 1960) |
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1588 - Twin Triode Valve 6BL7GTA General Electric, Usa (circa 1960) |
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Philips, Australia (circa 1960) |
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1586 - Power Pentode Valve 6CL6 Teonex, England (circa 1960) |
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Brisbane Scale Works, Australia |
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51 - Grating Spectrophotometer DB GT Beckman Instruments, Inc., Scotland (1961) Metallic housing, with sample placement door at front. Front panel controls for photomultiplier offset and calibration and wavelength selection. Relative absorption read from a meter at front, or may be connected to a chart recorder. 220V, 1A, 50Hz... |
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52 - Constant Deviation Spectrometer Adam Hilger, London, England This spectrometer was made in circa 1920 by the Adam Hilger company. It consists of a cast-iron stand with two brass arms. When in use, light travels through one of the brass arms of the device (the collimator) and enters the prism located at the... |
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56 - Rubidium Frequency Standard Model 304-B General technology Corporation, California, USA, Usa Instrument provides standard frequency outputs of 5 MHz, 1 MHz and 100 kHz, via BNC terminals mounted on the front panel. A vapour of Rubidium contained within a small glass cell has an unvarying absorption frequency fo of approximately 6834.68 MHz... |
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R. Fuess, Berlin-Steglitz, Germany Used for measuring anges on faces of crystals and gems. Incomplete. Made in Germany approximately 1890's. It is brass and still has its original lacquered and black enamelled finish. Using a vernier and slow motion tangent screw, angles can be... |
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E. Leybold's Nachfolger A.G., Coln, Rhein, Germany (circa 1923) An electrometer is a device used to quantitatively measure differences in electrical potential. This instrument is also referred to as a String Electrometer. This type of electrometer was originally designed by Horace Darwin and Thomas Laby and was... |
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59 - A.M. Bubble Sextant Mark IXA England (World War II) Used for aircraft navigation in World War II. Download the instruction manual for details. Black japanned metal case with rubber rimmed eyepiece at back and open slot at front where a black drum houses the clockwork automatic averaging attachment... |
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Troughton and Simms, London, England (1890) Brass 5 inch theodolite with 4 screw base and table stand. Telescope eyepiece carries crosshairs for alignment and three bubble levels allow levelling. Vernier scales are etched on vertical circle and on opposite ends of diameter on base. Standard... |
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W. Wilson, 1 Belmont Street, London NW, England The magnetic dip needle consists of a brass cylinder with glass faces, 18 cm in diameter. A magnetised steel needle is mounted free to rotate about a horizontal axis through its centre of gravity. The needle will thus settle with its magnetic axis... |
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A spherometer is used to measure the radius of curvature of a spherical surface such as a lens or mirror. Three legs (here, balls) touch the surface, and the distance the central screw must be advanced or retracted to also touch, gives, via a... |
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This is used to measure the Radius of Curvature (ROC) of a spherical lens, ball or other surface. The three legs (points) sit on the surface. The central screw is adjusted to touch the surface. The distance difference between legs ans central screw... |
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66 - Radio Test Laboratory Door Sign Australia (circa 1955) Silky oak panel with gold shadowed lettering, typical of original door signs in Parnell Building. |
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Cambridge Instrument Company Ltd, Cambridge, England Large mirror galvanometer with 45 s period suspension. Required lamp and scale to measure small currents. Because of the long period, it may be used as a ballistic galvanometer. |
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W.G. Pye, Cambridge, England Brass keys on a wooden base for student laboratory use. Two key DPDT (double pole double throw) Allows two inputs and two outputs. |
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Negretti & Zambra, London, England Chromed outer casing enclosing clockwork fan and two thermometers. Thermometer bulbs extend into metal ventilation tubes at the base of the instrument. Air is drawn through the tubes, and up to connected shaft running between the thermometers, by a... |
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72 - Field Plotter Type F.P. 144 Servomex Controls Ltd, Crowborough, Sussex, England Used in teaching Lab to plot isopotentials and electric fields for various electrode configurations. |
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Tektronix, Guernsey CI, England (circa 1965) Plug-in unit for 500 Series Tektronix oscilloscopes. Dual channel vertical amplifier. 0.05 to 20.0 Volts/cm variable. Frequency bandwidth unknown. |
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Ales Wright & Co. Ltd, Westminster, England |
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Ernst Leitz, Wetzlar, Germany (circa 1960) This camera body was used with no lens to directly record transmission electron micrographs on 35mm film |
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Max Kohl, Chemnitz, Germany Set of floats (hydrometers) for measuring the density of liquids. In chamois lined case. |
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AWA (Amalgamated Wireless Australia), Australia (circa 1965) |
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1617 - Valve, Twin Triode, PQ6201/12AT7/ECC81 Philips, Germany |
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1618 - Valve, Twin Triode, GB-5681 Sylvania, Usa |
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National Union, Usa |
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1629 - Box of optical components from lecture demo prep room various, |
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Ekco Electronics Ltd, |
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1762 - Laboratory Variable Capacitor Cambridge Instrument Company Ltd, Cambridge, England |
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1765 - Relay with Mercury Switch (1920s?) A relay operates a mercury switch by tilting it. It was probably used to switch a high voltage circuit, or perhaps the device produced a current pulse, the length of which could be adjusted by adjusting the tilt of the board on which it is mounted... |
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Siemens, Germany |
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1767 - Bonnie Kitchen Measuring Cup Australia |
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1768 - Supersensitive Panchromatic Photographic Plates Ilford Ltd, London, |
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