TY - BOOK AU - Geary,P.J. TI - Torsion devices: a survey of their design, construction, and use T2 - B.S.I.R.A. Research report PY - 1960/// CY - [Chislehurst, Kent] PB - British Scientific Instrument Research Association KW - Instrument manufacture KW - Torsion KW - Measuring instruments KW - Bibliography KW - fast KW - Component KW - United Kingdom KW - Torsion pendulum KW - Pendulum science KW - Bibliographies KW - lcgft N1 - Includes bibliographical references ER -