TY - JOUR T1 - An Essay on Pyrometry and Areometry, and on Physical Measures in General. By John Andrew de Luc, F. R. S. JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 68 SP - 419 EP - 553 PY - 1778/01/01/ UR - http://dx.doi.org/10.1098/rstl.1778.0020 M3 - doi:10.1098/rstl.1778.0020 AU - Luc, J. ER -