TY - JOUR T1 - Explanation of an Optical Deception in the Appearance of the Spokes of a Wheel Seen through Vertical Apertures JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 115 SP - 131 EP - 140 PY - 1825/01/01/ UR - http://dx.doi.org/10.1098/rstl.1825.0007 M3 - doi:10.1098/rstl.1825.0007 AU - Roget, P. ER -