"Geryk" hand-operated vacuum pump Serial No.15492 by The Pulsometer Engineering Co. Ltd., London "Geryk" hand-operated vacuum pump Serial No.15492 by The Pulsometer Engineering Co. Ltd. 1920-1950
Charles' law apparatus Edser's pattern, by W. & J. George and Becker Ltd., Birmingham 3 ( and) Alperton, Wembley, fitted in inverted bell jar to act as water bath, and mounted on mahogany stand Charles' law apparatus Edser's pattern
Miscellaneous stains and reagents: Carmine 10g., by George & Becker Miscellaneous stains and reagents: Carmine 10g.
Balance, NIVOC brand, with white metal beam and polished white metal column, made by W J George and Becker in London EC1. Instrument number 2768. Imperial weights calibrated for metric use in Dec 1979. Calibration notice on inside of glazed mahogany case with black glass base. Balance, NIVOC brand 1950-80
"Nivoc" electromagnet by W. and J. George and Becker Ltd., Birmingham and London "Nivoc" electromagnet by W. and J. George and Becker Ltd. 1950-1954
Solenoid for magnetising and demagnetising, `Nivoc', by W. & J. George & Backer Ltd., Gt. Charles St., Birmingham and 3 Hatton Wall, London, EC1 Solenoid for magnetising and demagnetising 1945-1954
Nivoc (trademark) aperiodic analytical balance made by W & J George & Becker Ltd, Birmingham, Serial No. 356, capacity 200 grams, c.1950s Nivoc (trademark) aperiodic analytical balance made by W & J George & Becker Ltd 1950-1959