TY - JOUR T1 - Account of Experiments on Torsion and Flexure for the Determination of Rigidities JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 157 SP - 139 EP - 153 PY - 1867/01/01/ UR - http://dx.doi.org/10.1098/rstl.1867.0008 M3 - doi:10.1098/rstl.1867.0008 AU - Everett, J. ER -