TY - JOUR T1 - An Account of Some Experiments Tried with Mons. Villette's Burning Concave, in June 1718. By the Rev. Dr. J. Harris and Dr. J. T. Desaguliers, Reg. Soc. SS. JF - Philosophical Transactions (1683-1775) VL - 30 SP - 976 EP - 977 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1717.0056 M3 - doi:10.1098/rstl.1717.0056 AU - Harris, J. AU - Desaguliers, J. ER -