TY - JOUR T1 - Upon the Extent of the Expansion and Contraction of Timber in Different Directions Relative to the Position of the Medulla of the Tree JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 107 SP - 269 EP - 274 PY - 1817/01/01/ UR - http://dx.doi.org/10.1098/rstl.1817.0021 M3 - doi:10.1098/rstl.1817.0021 AU - Knight, T. ER -