TY - JOUR T1 - Microscopical Observations upon the Configuration of Diamonds: In a Letter from Mr. Antony Van Leeuwenhoek, F. R. S. JF - Philosophical Transactions (1683-1775) VL - 26 SP - 479 EP - 484 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1708.0074 M3 - doi:10.1098/rstl.1708.0074 AU - Leeuwenhoek, A. ER -