TY - JOUR T1 - Account of the Changes That Have Happened, during the Last Twenty-Five Years, in the Relative Situation of Double-Stars; With an Investigation of the Cause to Which They Are Owing JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 93 SP - 339 EP - 382 PY - 1803/01/01/ UR - http://dx.doi.org/10.1098/rstl.1803.0015 M3 - doi:10.1098/rstl.1803.0015 AU - Herschel, W. ER -