TY - JOUR T1 - An Account of Some Experiments upon Coloured Shadows. By Lieutenant-General Sir Benjamin Thompson, Count of Rumford, F. R. S. In a Letter to Sir Joseph Banks, Bart. P. R. S. JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 84 SP - 107 EP - 118 PY - 1794/01/01/ UR - http://dx.doi.org/10.1098/rstl.1794.0013 M3 - doi:10.1098/rstl.1794.0013 AU - Thompson, B. ER -