TY - JOUR T1 - Barometrical Observations on the Depth of the Mines in the Hartz. By John Andrew de Luc, F. R. S. In a Letter to Sir John Pringle, P. R. S. JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 67 SP - 401 EP - 449 PY - 1777/01/01/ UR - http://dx.doi.org/10.1098/rstl.1777.0023 M3 - doi:10.1098/rstl.1777.0023 AU - Luc, J. ER -