TY - JOUR T1 - Part of a Letter from Mr Anthony Van Leeuwenhoek, F. R. S. to John Chamberlayne, Esq; F. R. S. concerning the Vitrifyed Salts of Calcin'd Hay JF - Philosophical Transactions (1683-1775) VL - 24 SP - 1856 EP - 1859 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1704.0057 M3 - doi:10.1098/rstl.1704.0057 AU - van Leeuwenhoek, A. ER -