An edition of Lectures on quaternions (1853)

Lectures on quaternions

containing a systematic statement of a new mathematical method; of which the principles were communicated in 1843 to the Royal Irish academy; and which has since formed the subject of successive courses of lectures, delivered in 1848 and subsequent years, in the halls of Trinity college, Dublin: with numerous illustrative diagrams, and with some geometrical and physical applications

By William Rowan Hamilton