TY - JOUR T1 - On the Construction of a New Calorimeter for Determining the Radiating Powers of Surfaces in Air; and Its Application to the Surfaces of Various Mineral Substances JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 150 SP - 379 EP - 408 PY - 1860/01/01/ UR - http://dx.doi.org/10.1098/rstl.1860.0022 M3 - doi:10.1098/rstl.1860.0022 AU - Hopkins, W. ER -