TY - JOUR T1 - On Certain Mechanical Properties of Metals Considered in relation to the Periodic Law JF - Philosophical Transactions of the Royal Society of London. A (1887-1895) VL - 179 SP - 339 EP - 349 PY - 1888/01/01/ UR - http://dx.doi.org/10.1098/rsta.1888.0013 M3 - doi:10.1098/rsta.1888.0013 AU - Roberts-Austen, W. ER -