TY - JOUR T1 - On the Aberrations of Compound Lenses and Object-Glasses JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 111 SP - 222 EP - 267 PY - 1821/01/01/ UR - http://dx.doi.org/10.1098/rstl.1821.0018 M3 - doi:10.1098/rstl.1821.0018 AU - Herschel, J. ER -