TY - JOUR T1 - On the Theory of Free Stream Lines JF - Philosophical Transactions of the Royal Society of London. A (1887-1895) VL - 181 SP - 389 EP - 431 PY - 1890/01/01/ UR - http://dx.doi.org/10.1098/rsta.1890.0006 M3 - doi:10.1098/rsta.1890.0006 AU - Michell, J. ER -