TY - JOUR T1 - On the Torsional Strain Which Remains in a Glass Fibre after Release from Twisting Stress JF - Proceedings of the Royal Society of London (1854-1905) VL - 28 SP - 148 EP - 154 PY - 1878/01/01/ UR - http://dx.doi.org/10.1098/rspl.1878.0102 M3 - doi:10.1098/rspl.1878.0102 AU - Hopkinson, J. ER -