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1516 - Magnetron 2M172J from Domestic Microwave Oven Toshiba, |
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1523 - Yaw Stabiliser Gyroscope Norden, |
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Budenberg Gauge Co. Ltd, |
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Floyd, |
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N.R. Heckenberg et al., SYNCHRONOME COMPANY CHRONOLOGY 22.1.96 1896 Jackson and Harris formed. George St., Brisbane 1904 Harris bought out. Rights to name "Synchronome Co." purchased (maybe earlier?) Moved to Ann St (65-69?) Name "Synchronome Electrical... |
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England This sounder was typically used in post offices between the middle of the 19th and 20th centuries to receive Morse Code messages, usually telegrams. The message would operate the sounder to produce a clacking sound representing the dots and... |
| Refer Catalogue number 2250 | |
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1429 - Kinematic Mount for Linear Motion Pye, |
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W G Pye, |
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1433 - T-Square Clive Croskell, Silky Oak JGS, |
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UQ Physics, Used in ionospheric research |
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Q Plus, |
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W G Pye & Co, England |
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Ribright & Son, London, England (c.1780) Decagonal mahogany tube with brass end fittings. Dust caps both ends. 3 lens erector (?) Eyepiece lens missing. Positive part of objective is missing. The layout of the optical system is shown below: According to Clifton, Directory of British... |
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1824 - Universal Galvanometer Shunt Cambridge Instrument Co Ltd, England This switched shunt provides varying degrees of sensitivity while retaining constant critical damping. A fixed value potentiometer is placed across the galvanometer terminals. The external connection is to a variable tap on the... |
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1826 - Pony Premo No. 3 Half Plate Camera Rochester Optical Company, Rochester USA, Usa (circa 1905) This is a Pony Premo Half Plate Camera, made circa 1905 by the Rochester Optical Company in the USA. The Rochester Optical Company and the Camera Company operated from 1899 to 1903. In 1907 it was acquired by by Kodak, the company that went on to... |
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Elliott Bros, London, England Ruggedly made current detector for use by telegraph linemen. The vertical magnetic needle is deflected by the field of an internal electromagnet. |
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Australian Transistor Co., Australia |
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1579 - Metal Expansion Force Demonstration A Gallenkamp and Co Ltd, |
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Standard Gage Co Inc, Usa The dial gauge is mounted with the probe vertical, above a heavy sliding plate with an optically flat surface. The object to be tested is wrung on to the plate with a thin smear of oil. As the plate slides the gauge indicates the relative change in... |
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Cossor, |
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1594 - Valve, Regulator DA3/VR-75 Philips, |
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1595 - Valve, Power Output Pentode E55L Mullard, |
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GE, |
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Mullard, England |
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Philips, England |
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1641 - Electrostatics Demonstation Apparatus Griffin?, Conductor shaped to demonstrate stronger electric field at end with smaller radius. |
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Cardiotrace?, Australia |
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AVO, |
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20th Century Electronics, |
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1645 - Bolex H16 J Movie Camera Bolex Switzerland, Switzerland (1974) 16mm movie camera. 16mm film was made by slicing down the middle of standard 35mm motion picture film stock and gave a good compromise for lighter, cheaper equipment while preserving acceptible image quality for domestic and small-scale... |
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1646 - Induction Coil for Stroboscope H. Tinsley & Co Ltd London, England |
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1647 - Milliameter 500mA FSD DC Victorian Meter Laboratory, Australia |
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1648 - Rotary microHenry Inductor Unknown, |
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1649 - Watercooled Rectifier Stack Unk, Usa Three rectifiers mounted on a copper plate. Water flows through a tube around the plate periphery for cooling. |
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Unk, |
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1651 - 3 Adjustable Height Stands W G Pye & Co, England |
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1652 - Plate on Insulated Stand Unknown, Used in lecture demonstrations of electrostatics. |
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Various, RCA, Usa Parts for radio valves. Probably associated with Prof Arnold Reimann. |
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Radio Equipment Pty Ltd, Australia |
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HMV, Australia Green plastic case, Zinc alloy fittings, PC board. Uses dry battery for power supply. |
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W.G. Pye & Co. Cambridge, England |
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Rola Co Australia Pty Ltd, Australia This speaker was used in domestic table radios. |
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1662 - Transistors, Valves, Sockets, Modules Various, |
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Unknown, |
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W.G. Pye & Co. Cambridge, England |
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1665 - Tektronix Type L Plugin Tektronix, |
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1666 - Compact Cassette Recorder Philips, |
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1667 - Disk Operating System V3.20 (5.25") Microsoft, |
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1668 - 778D Dual Directional Coupler 0.1-2.0 GHz Hewlett Packard, |
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1669 - Fiber Optic Cable 2 Metres Thor Labs, |
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Norden, |
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1716 - PTI Ramsden Eyepiece (Illuminated) P. 2799 PLUQ C.359 |
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1717 - 22.5cm Concave Mirror L669 Unknown, |
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1718 - Wooden Pulley on Screw 9662/27 PLUQ L. 126 G Cussons Ltd, Manchester, England |
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1709 - Constant Dev. Spectrometer Bausch and Lamb, |
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Masses up to 10kg |
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1722 - Gas Flow Rate Meter P4766 GAP, |
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1741 - Electric Radiator 240V 4.1A Pat. 3403/21 Reg Des. 39067 Waratah, |
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Griffin, |
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Dick Smith Electronics, Other (circa 1983) One of the first cheap domestic personal computers available in Australia. Processor Z80 running at 3.8MHZ ROM 16K RAM 8K, expandable to 24K Interfaces Cassette, RF and video, I/O, expansion Keyboard 45 rubber keys Display 32 x 16 lines text... |
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Dick Smith Electronics, Other (circa 1985) |
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Dick Smith Electronics, Other Early personal computer of the 1980s. Data was recorded on magnetic tape cassettes. It was designed to be used with a printer, and with joysticks to play games. The memory could be increased by connecting memory modules. |
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Dick Smith Electronics, Basic home personal computer of mid-1980s. |
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NMSI Enterprises Ltd, China This apparatus illustrates the effect of temperature on the density of liquids. Each of the globes is filled with a liquid and weighted, so that above some particular temperature the globe sinks to the bottom of the liquid column,... |
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