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Phillip Harris Ltd., |
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1681 - Voltmeter (Battery Test) Walsall Electrical Co., |
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Dynavac High Vacuum Co., |
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Kipp, Delft, Holland An infrared radiation detector based on an array of up to 80 manganin-constantan thermocouples invented by Willem Moll. |
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1684 - Cavity Wavemeter 1050-1830 MHz Sivers Labs, Sweden |
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1685 - Engraved Glass Scale (100mm) unknown, 100 mm long engraved glass scale in a wooden frame. |
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Unknown, |
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Hewlett Packard, USA, Usa Programable pocket calculator. |
| Used by Mrs Dearden to prepare diagrams for publication. | |
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1711 - Sona-Graph Sound Spectrograph KAY ELECTRIC CO. PINE BROOK, N.J., Usa Pat. No. 2,615,078 Used by John Mainstone |
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Carl Zeiss, Germany, Germany |
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1728 - Ammonia (NH3) Molecule Model Australia Associated with Prof RW Parsons' microwave spectroscopy reseach. |
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1738 - Sample of High Voltage Power Transmission Line Cable NSW Electricity Commision, |
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1739 - Box of Samples of High Voltage Underground Cables NSW Electricity Commision, |
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Australia Four glass projector slides of Radon Lab work. 1) Probably shows lead container for radium sample and radon collection lines 2) Autoradiograph from '10?g unit strength plate' 3) Activity measurement using Siemens Momentan... |
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Franz Schmidt & Haensch, Berlin, S, No. 8878, Germany Iron stand which supports a sample tube between two Nicol-prisms - a polariser and an analyser. As monchromatic light passes through the tube, the plane of polarisation of the light will rotate if the sample is optically active. A stand is provided... |
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116 - Prism Spectrometer (student) Adam Hilger Ltd, England |
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W.G. Pye & Co. Cambridge, England |
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120 - Weston Laboratory Standard Voltmeter Weston Electrical Instrument Co., Newark, N.J., Usa |
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Robt. W. Paul, London, N, England |
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122 - Duddell Magnetic Standard The Cambridge Scientific Inst. Co. Ltd, s/n 15104 B185, England Wooden case with brass front and lever with two spring catches which hold it in one of two orientations. Lever reverses two secondary coils inside two fixed primaries. The secondary coils are spring loaded, the springs also carrying the current for... |
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Mounted on a base of timber, with a glass fronted wooden cover, is a steel assembly holding the tuning fork and two movable electromagnets, one between the two prongs at the end of the fork, and the other closer to the fork base with coils on either... |
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Made by the Societe Genevoise, Geneva for the Cambridge Scientific Instrument Co, Switzerland The Invar substandard metre is contained within its own box and has a cross-section which looks like: H The bar is marked off in millimetres, with every tenth one enumerated. The last (1000th) millimetre has ten fine subdivisions. A travelling... |
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125 - Carbon Plate Potentiometer Robt W. Paul, England |
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126 - Metre Board Potentiometer A. Gallenkamp & Co. London, England Slidewire potentiometer with knife contact and one metre of resistance wire, stretched along a wooden metre stick. The knife serves both as a contact for the wire and a position readout on the metre stick scale. |
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Cambridge Scientific Inst. Co. Ltd, England The Weston Standard cell was used as a standard of voltage in laboratories. Thety typically stabilised at around 1.018638 Volts. A number of cells of the same age and manufacture will agree wihin microVolts. Cells were checked... |
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Supplied by Cambridge Scientific Inst. Co. Cambridge, England Circular brass base in the form of an annulus mounted on a horizontal tripod, adjusted screws under each arm, mounted on a square wooden plate 20 cm ´ 20 cm. Annulus has angular gradations down to 0.5° resolution, and is inset with a matching brass... |
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The Cambridge Scientific Inst. Co. Ltd, s/n 17139, England (1913) Consists of a wooden case with an ebonite top. A wooden frame mounted on top contains eight copper bridges and frames, eight pairs of small black, plastic, cylindrical pots, each containing a resistance contact. White lettering on the front of the... |
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130 - Bench Electromagnet (for String Galvanometer) Cambridge Scientific Instruments, England |
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Brisbane?, Australia The pine box contains a connector block with eight numbered resistors. They use Mercury dashpot connectionsplus one short circuit (thick wire). |
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132 - Lecture Demonstration Trolley Max Kohl AG Werkstatten fur Prazisionsmechanik, CHEMNITZ i. Sa., Germany |
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133 - Lecture Demonstration Trolley Track Max Kohl AG Werkstatten fur Prazisionsmechanik, CHEMNITZ i. Sa., Germany Trolley track for a trolley truck, used to demonstrate constant acceleration/force for lecture demonstration. Trolley item 0132 Track item 0133 |
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136 - Oscillator, Beat Frequency Amalgamated Wireless Australasia, AWA, Australia, Australia A Beat-frequency Oscillator (BFO) is a device for generating oscillations of approximately sinusoidal waveform by combing two radio-frequency electrical oscillations of different frequencies. The BFO circuit produces an internally generated signal... |
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(WW II) This Magnetron most likely dates back to 1943. See also Item 151. The two Magnetrons are very similar in appearance. Outwardly discernible features of the two Magnetrons are an anode block, two filament leads and an output connection. The... |
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139 - Microwave Output Transformer Unknown, This is a one GigaHertz microwave output transformer. It matches a coaxial line input to a waveguide, for a high power magnetron source. Attached is a resonant cavity for the Transmit-Receive T-R switch. |
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UQ Physics Workshop, Australia (Late 1960s) This ruby laser was built as an honours project under the supervision of Prof Ralph Parsons in the late 1960s. The silver plated cylindrical reflector concentrates light from the linear flashlamp into a 75 mm long ruby rod with gold reflecting... |
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142 - Discharge Tubes, Spectral, Six Unknown, Helium discharge tube contains a capillary tube along which the discharge travels. Electrodes are at right angles to the ends of the capillary. |
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S.T.C. Ltd., Australia (WW II) The CV35 klystron was an English designed radar tube and manufactured in Australia during the second world war. The tube itself was designed in Britain by Electric and Musical Industries Ltd., in 1941 and was adopted for Australian equipment in 1942... |
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149 - Vacuum Chamber for Research on Discharge Australia Evacuated glass tube containing several electrodes. Actual use not known, but possibly used for research by Prof Arnold Reimann into gaseous discharges or Schottky Barrier phenomena at junction of different metals or crystals. |
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150 - Microwave Cavity, tunable Physics W/shop, Australia |
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151 - Magnetron Microwave 10cm S.T.C. Ltd., See also Item 138 This magnetron was most likely made in the years 1942-1945. The two Magnetrons are very similar in appearance. Outwardly discernible features of the two Magnetrons are an anode block, two filament leads and an... |
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152 - Laboratory Timer/Stopwatch W.G. Pye & Co. Cambridge, England |
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153 - Spring-Mass Demonstration Apparatus W.G. Pye & Co. Cambridge, England |
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Max Kohl, Germany |
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155 - Electro-Mechanical Oscillator Cambridge Scientific Inst. Co. Ltd, England The unit has a vibrating reed driven by an electromagnet, which is connected and disconnected in sympathy by electrical contacts at the end of the reed. The vibrational frequency can be adjusted by moving a weight along the reed. |
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156 - Deformation Demonstration Apparatus Griffin, England |
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162 - Paton Multimeter "M" Series MC.A Paton Electrical Pty. Ltd., Australia A d'Arsonval one milliAmp moving coil meter is placed across a circuit with a resistor of varying value in series with the meter, to determine the voltage across the circuit at the measuring point. The meter is placed in series with... |
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Watson & Sons (Electro-Medical) Ltd. London, England |
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Weston Electrical Instrument Co., Usa This 50 Amp ammeter was commonly used for rail, tram or industrial sites to monitor current consumption in a circuit or sub circuit. |
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Weston Electrical Instrument Co., Newark, N.J., U.S.A., |
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166 - Weston Direct Reading Laboratory Standard Milli-Voltmeter Model 972 Weston Electrical Instrument Co., Newark, N.J., Usa Portable, pivoted-coil DC Milli-Voltmeter; black painted metal case on wooden base; 10-40C thermometer and a level indicator are also mounted on the wooden base; Glass window showing mirror and white dial. The millli-voltmeter contains a coil of... |
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Wooden box containing 27 specific gravity bottles. Sealed pear-shaped glass bottles. Bottles are 2.5 cm in diameter at the widest point and 8.5 cm in length from bulb containing a mercury droplet to the moulded hook at top. Specific... |
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168 - Vio Ray (High Frequency) Junior Unknown, England This is a small diathermy (radio frequency heating) device for home use. This unit was bought from Bascendals & Co Ltd, 14 May 1926, for two pounds 15 shillings. |
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169 - Cambridge String Galvanometer (A & B) Cambridge Scientific Inst. Co. Ltd, England Used at Brisbane Hospital, purpose unknown. |
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Muirhead & Co. Ltd., England |
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A.J.Ashdown Ltd., London, England A patented shutter controlled by a gear connected to a centrifugal governor. A winding rod fits under the bottom handle to wind a spring. The speed of the gear is controlled by 5 sliding gear -coarse settings and an infinite graduation control... |
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173 - Gravity Meter No. C-1-16 C.H. Frost Gravimetric Surveys, Tulsa, Oklahoma, Usa (circa 1960) Externally: large cream coloured cylinder, top of it contains the eye-piece, measuring screw, adjusting & reading terminals, internal parts are exposed for observation above the cylinder; "zero-length" spring at approximately 45° angle to the... |
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