TY - JOUR T1 - A Summary of Some Late Observations upon the Generation, Composition, and Decomposition of Animal and Vegetable Substances; Communicated in a Letter to Martin Folkes Esq; President of the Royal Society, by Mr. Turbervill Needham, Fellow of the Same Society JF - Philosophical Transactions (1683-1775) VL - 45 SP - 615 EP - 666 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1748.0072 M3 - doi:10.1098/rstl.1748.0072 AU - Needham, T. ER -