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- Robert Hawthorne Slide Rule and Manual John Cail, Newcastle on Tyne, England (1841) This slide rule has been in the present owner's family since it was brought to Australia in 1851. It comprises a two foot folding boxwood rule with a brass hinge, marked in inches and provided with tables of useful constants. There is as well a... |
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1441 - Unicam SP600 Series 2 Spectrophotometer Unicam, |
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1447 - Binary divider for counting cosmic rays University of Tasmania , |
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1449 - Ionospheric RF amplifier UQ Physics Electrical Workshop, |
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Unknown, |
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Invicta Plastics Ltd, Oadby, Leicester, England, |
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Carl Zeiss, |
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1459 - 250V FS voltmeter (panel) Engineering Supply Co. of Australia Ltd., Brisbane (ESCA), Australia Voltmeter to 250 Volts DC for industrial use. |
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Weston, |
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Australia |
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1468 - Box of glass plate photographs from Photography Section Australia Glass plate slides found in the ruins of the old Photography Section in the basement of the Parnell Building before it was refurbished to make laboratories. |
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1470 - RRB Monthly Ionosphere Predictions Brisbane 1948, Australia |
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1472 - Box of radio valves (c40) Various, |
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1481 - Acu - Math slide rule No 150 Acu - Math, |
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1485 - Hand held computer X - 07 Canon, Usa |
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1492 - Assorted plans (incl. Bribie and tiltmeter) UQ Physics Workshop, Australia |
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UNKNOWN, |
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Wallace & Tiernan, |
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1500 - CIC stand with 5 tripods Cambridge Instument Co., England |
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1508 - Gallenkamp balance (smaller) LP, |
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1512 - Lighthouse Triode EC157 (see 1308) Philips, |
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20th Century Electronics, England Glass tube filled with vapour at low pressure. A cathode along the tube axis and a cylindrical copper gauze anode have a voltage of 1100 Volts between them. High speed electrons passing through the tube ionise the vapour and initiate a momentary... |
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Philips, Holland A voltage of around 1000 Volts is applied between a coaxial rod and the case. The passage of a beta or gamma ray through the end Mica window causes the gas to conduct and produce an electrical pulse. The discharge is self-quenching. Geiger tubes... |
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Salter, The portable scales are normally hung vertically, with a ring at one end. A ring at the other end allows a hook to be inserted for weighing eg an honest fisherman's catch. It will weigh to 3 kg. Inside is a spring that extends linearly with the... |
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Faber-Castell, |
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Cambridge Instrument Co., |
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1521 - Potentiometer Type 44228 Cambridge Instrument Co., |
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Palec, |
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1524 - Bombsight motor drive assembly Norden, |
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The Australian General Electric Co., |
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Eveready, Australia The F cell is a Zinc Carbon primary dry cell with a nominal voltage of 1.5 Volts. This was the largest of the smaller size 1.5 volt cells made. Later four of them were combined into lantern batteries for use with a 6 Volt incandescent lamp. |
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1529 - TV Horizontal Output Transformer Philips?, Australia This is a ferrite transformer that generates a suitable waveform to drive the horizontal yoke on the neck of a black and white TV picture tube. It operates at 15625 Hz. Driven by a power valve, it also generates an EHT voltage of about 28kV, which... |
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1530 - Wirewound Potentiometer 2500 Ohms Colvern, |
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1532 - Radio valve double diode 5AR4 CEI, This is a full-wave rectifier valve, used in domestic Hi-fi amplifiers. |
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1533 - Valve Double Diode 5R4GBY Mullard, Usa This valve is used in power supplies that supply voltages higher than are used with most electronic equipment, up to 1200 Volts. |
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1534 - Valve Triode Pentode ECL86/6GW8 Philips, This valve was designed for use as an audio pre-amplifier and audio output valve for use in audio amplifiers and black and white TV sets. It provides up to 4 Watts single-ended, and 14 Watts push-pull. |
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1535 - Valve Triode Pentode 6GV8 AWV Co. P/L, Australia The triode was designed for use as a sync amplifier, and the pentode as a wide-band video amplifier in black and white TV receivers. |
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1536 - Valve triode pentode 6KV8 AWV Co. P/L, Australia The triode was used as a sync separator or AF amplifier, and the pentode as a wide-band video amplifier in Black and white TV receivers. |
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Philips, Japan This was an EHT half-wave rectifier used in black and white TV receivers. |
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