Astronomy. 3922.23 **E,190a.33 Main, Rev. Robert, F. R. S. 1808-1878, Practical and spherical astronomy. For the use chiefly of students in the universities. Cambridge: Deighton, Bell and co. 1863. xvi, 392 pp. 8°, A memoir of the author can be found in E, Dunkin'ts Obituary notices of astronomers. London, 1879, Pp. 165-188 (2458.69).