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Maker of scientific instruments
1983 Company formed as a result of a demerger and several acquisitions; floated on USM
1984 Acquired Lenton Thermal Designs of Market Harborough, maker of electric furnaces for laboratories. Group doubled in size by acquiring Centorr Associates, maker of high temperature electric furnaces, and Betol Holdings, makers of thermo-plastic extrusion machines
1985 Acquired Killion Extruders of USA, and Torvac, maker of vacuum furnaces and electro-welders. Acquired Wentgate Engineering of Huntingdonshire, maker of electric vacuum furnaces and electron beam-welders
1986 Acquired Uniplex Corporation of USA; acquired Omnitherm Corporation of Chicago., supplier of thermal analysis equipment.
1988 The company was acquired by TI Group in an agreed offer; TI would dispose of everything except for vacuum equipment and thermal processing activities. It was expected that these would fit with TI's Ipsen Abar subsidiary. Management buyouts were being arranged for some of the other parts of the company; these non-core activities included thermal analysis and flammability equipment, furnaces for laboratories and precision plastics extrusion systems