TY - JOUR T1 - A Memoir on the Theory of Reciprocal Surfaces JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 159 SP - 201 EP - 229 PY - 1869/01/01/ UR - http://dx.doi.org/10.1098/rstl.1869.0009 M3 - doi:10.1098/rstl.1869.0009 AU - Cayley, P. ER -