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Mar. 03, 1967 - Press Visit to the High Voltage Electron Microscope at Cavendish Laboratory, Cambridge. There was a Press visit visit today to the High Voltage Electron Microscope, at Cavendish Laboratory, Cambridge. The 750 kV electron microscope, built at Cavendish Laboratory, Cambridge, and the first of its type in this country, was commissioned on June 23, 1966 by Prof. R.V. Jones, Chairman of the Paul Instrument Fund Committee of the Royal Society, during a visit of inspection by the Committee. Since then, detailed negotiations with A.E.I. Ltd. and the Ministry of Technology have resulted in an agreement for the commercial production of a 1 MV microscope based on the Cavendish instrument. The main purposr of a high voltage microscope is to permit examination of much thicker metal foils than is possible in the normal electron microscope at 100 kV. Keystone Photo Shows: The control room for the 750 kV electron microscope, today. On right a technician is seen lining up the electron beam by remote control behind a wall of lead blocks. This is to provide shelter for the operator where a much higher beam intensity may have to be used and the radiation level can be well above tolerance

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A.e.i Agreement Beam Blocks Cavendish Commissioned Detailed Electron Examination Foils Fund Higher Inspection Intensity Level Microscope Negotiations Normal Operator Permit Possible Prof Provide Radiation Remote Resulted Technician Thicker Tolerance Voltage

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