TY - JOUR T1 - Several Microscopical Observations and Experiments, Made by Mr. Stephen Gray JF - Philosophical Transactions (1683-1775) VL - 19 SP - 280 EP - 287 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1695.0040 M3 - doi:10.1098/rstl.1695.0040 AU - Gray, S. ER -