Kerigan, Thomas. **E.180.12 The young navigator's guide to the sidereal and
planetary parts of nautical astronomy: being the theory and practice of finding the latitude, the longitude, and the variation of the compass by the fixed stars and planets. Prefixed the description and use of the new celestial planisphere. London: Baldwin, Cradock, and Joye 1821. xiv, (1), 603, (1) pps Folded map. 8%.
“Nautical astronomy.