German Federal Republic Patent No P21034048. Equipment based on the invention described is marketed in the UK by the GFM Division of C. Stevens & Son (Weighing Machines) Ltd, Dolphin Yard, Holywell Hill, St Albans, Herts. who are exhibiting it at Weigh-Tech 1979.
2.
ScarboroughJames B.1958. The gyroscope: theory and applications. Interscience Publishers Ltd, London.