TY - JOUR T1 - An Account of an Experiment, Shewing That an Object May Become Visible through Such an Opake Body as Pitch in the Dark, While It is under the Ctrucumstances of Attrition and a Vacuum. By Mr. Fr. Hauksbee, F. R. S. JF - Philosophical Transactions (1683-1775) VL - 26 SP - 391 EP - 392 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1708.0061 M3 - doi:10.1098/rstl.1708.0061 AU - Hauksbee, F. ER -