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924 - Photomultiplier tube, 9661B EMI, |
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AWA, Australia |
|
Gossen, |
|
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927 - Mercury Vapour Rectifier Valve DCG 3/1000E Philips, Usa Half-wave mercury vapour rectifier, used in high voltage power supplies for transmitters and industrial equipment. |
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UNK, |
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929 - Mechanical Relay Counter 5 Digit Telephone & Electrical Industries P/L, |
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International Rectifier , Usa Half-wave high voltage rectifier,consisting of a series of solid-state rectifying elements in series, encapsulated in plastic (bakelite?). |
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931 - Integrated Circuit M5B771239/MA70ZC Fairchild, This is an Integrated Circuit (IC) in a 10 leg package. It contains an audio amplifier and comparator chips. |
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932 - Adaptor Edison screw to bayonet GE, USA. , Usa This adaptor allows an Edison Screw based globe to be plugged into a 2 pin Standard Bayonet Socket. |
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933 - Auto Balance Precision Bridge B331 Wayne Kerr, USA. , Usa |
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934 - Valve Characteristic Meter Mark IV AVO Ltd., England. , England |
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935 - Screw Pitch Measuring Machine National Standards Lab, Australia , Australia |
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J. Casartelli, Manchester , England This is a pocket-watch sized aneroid barometer, with gearing to drive a needle on a circular scale. The range is from 23 centimetres to 31 centimetres of Mercury. |
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937 - Computer magnetic core memory ICL, |
|
Leeds and Northrup, |
|
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Tinsley, England |
 |
940 - Digital Multimeter MM-35 Nippan Co Ltd, Japan |
|
W. G. Pye & Co. Cambridge, England |
|
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AWA, |
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943 - Sine and square wave oscillator 140A BWD Electronics, Melbourne , Australia |
 |
C.I. Co. , |
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EMI Various, England The front window has a photosensitive mosaic target. Electrons fired at the target in a scanning pattern are returned to an electron multiplier assembly. |
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946 - Portable Contamination Monitor EMI Electronics Ltd, |
|
EMI Varian Ltd , |
|
 |
W. G. Pye & Co. Cambridge, England |
 |
W. G. Pye & Co. Cambridge, England |
|
950 - Magnetron Magnet Assembly UNK, |
|
|
Foreign, |
|
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952 - Oscilloscope Camera Time Lapse UNK, |
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Max Kohl, Chemnitz, Germany |
|
W. G. Pye & Co. Cambridge, England |
|
|
Griffin & Tatlock Ltd., |
|
 |
J. L. William Scientific Instruments, Melbourne , Australia |
|
Reichart, |
|
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Griffin & George Ltd., |
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UNK, |
|
|
UNK, |
|
|
UNK, |
|
|
UNK, |
|
|
Radiation Research, |
|
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unknown, |
|
967 - Galvanometer multi light path Honeywell/Advanced Instruments , |
|
|
Evans Electroselenium Ltd, |
|
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NL Jones Scientific Instrument, Australia |
 |
Max Kohl, Chemnitz, Switzerland |
 |
Crouzet, |
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972 - Objective, Dispersion Staining McCrone Associates , |
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Leica, |
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M Watson & Sons Ltd. , England An attachment for a microscope that allows the user to simultaneously view the microscope image and a sheet of paper on the table. A accurate drawing can then be made by 'tracing' around the specimen. In a fitted wooden box. |
 |
|
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Ernst Leitz, Germany A Camera Lucida was used in daylight to project an object or scene in front of the observer, on to a flat surface eg a piece of paper. The observer used the projected image to sketch the object or scene on to paper. This was a popular pastime on the... |
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Cambridge Instrument Co., England |
 |
978 - Discharge Tubes, Box of 8 Unknown, |
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Various, |
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UNK, |
|
UNK, Usa (WW II) Part of a WW II gyroscopic bombsight. |
|
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UNK, |
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Siemens Halske, Germany |
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Igranic, |
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UNK, |
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986 - Double Pole, Double Throw Knife Switch UNK, |
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989 - Single Pole, Single Throw Knife Switch UNK, |
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UNK, Australia The unit is incomplete. It consists only of the catswhisker, ball and socket plates, and handle. Also included are parts of an Ebro (Aust) detector, baseplate and end ring to retain the cylindrical cover. Plus a mass of Galena (Lead Sulphide... |
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United Scientific Lab Inc. , |
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Pilot, |
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Hanimex, This is a basic arithmetic pocket calculator, with LCD readout. It is powered by a single button cell. |
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|
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995 - Olympus Microscope Camera Olympus, Japan |
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|
 |
|
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999 - Lamp for reflecting galvanometer G & G, |
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Homebrew N.R.H., |
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1003 - Ayrton-Mather Static Voltmeter Robt. W. Paul London N., England This is an electrostatic voltmeter meant to be mounted on a wall. It could measure DC or AC voltages up to 250V. It had a very high input impedance but the response time was about 15 s. |
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1005 - K-band Waveguide Wavemeter UNK, |
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