TY - JOUR T1 - On Skew Refraction through a Lens; and on the Hollow Pencil Given by an Annulus of a Very Obliquely Placed Lens JF - Proceedings of the Royal Society of London (1854-1905) VL - 71 SP - 509 EP - 522 PY - 1902/01/01/ UR - http://dx.doi.org/10.1098/rspl.1902.0135 M3 - doi:10.1098/rspl.1902.0135 AU - Everett, J. ER -