TY - JOUR T1 - On the Elasticity of Threads of Glass, with Some of the Most Useful Applications of This Property to Torsion Balances JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 120 SP - 215 EP - 222 PY - 1830/01/01/ UR - http://dx.doi.org/10.1098/rstl.1830.0018 M3 - doi:10.1098/rstl.1830.0018 AU - Ritchie, W. ER -