Comprising: (fols. 1-37) letters of Stephen Peter Rigaud to various correspondents, 1814, 1826-1839 (fols. 38-59) miscellaneous papers of or concerning Stephen Peter Rigaud, 1823-1861, including his admission as an attendant in ordinary at Kew observatory, 1823, election as a member of the Royal Irish Academy, 1832, and copies of obituaries, 1839 (fols. 50-72) papers…