Unpublished paper, 'On the three-bar motion of Watt' by William Brennand Brennand presents a series of geometrical figures and mechanical problems concerning Watt's motion. Annotations in pencil throughout. Includes geometrical and trigonometrical diagrams throughout the text. Subject: Mathematics / Engineering / Mechanics Received 2 January 1893. Read 26 January 1893. Communicated by C B [Charles Baron] Clarke. Whilst the Royal Society declined to publish this paper in full, an abstract of the paper was published in volume 52 of the Proceedings of the Royal Society as 'On the three-bar motion of watt'. 1893