TY - JOUR T1 - Observations on the Best Methods of Producing Artificial Cold. By Mr. Richard Walker. Communicated by Martin Wall, M. D. F. R. S. JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 85 SP - 270 EP - 289 PY - 1795/01/01/ UR - http://dx.doi.org/10.1098/rstl.1795.0016 M3 - doi:10.1098/rstl.1795.0016 AU - Walker, R. AU - Wall, M. ER -