TY - JOUR T1 - An Account of an Experiment Made on Thursday the Last Day of June, 1720. before the R. Society, to Shew by a New Proof, That Bodies of the Same Bulk Do Not Contain Equal Quantities of Matter, and Therefore That There is an Interspers'd Vacuum. By J. T. Desaguliers JF - Philosophical Transactions (1683-1775) VL - 31 SP - 81 EP - 82 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1720.0018 M3 - doi:10.1098/rstl.1720.0018 AU - Desaguliers, J. ER -