Excerpt from An Elementary Treatment of the Theory of Spinning Tops and Gyroscopic Motion (Classic Reprint)
In this attempt to present an elementary, and at the same time a scientific view of the subject, I have expanded several of the suggestive ideas put forward in Dynamics of Rotation by Professor Worthington, to whom is due a large debt of thanks for much liberal criticism and assistance in the earlier chapters, and for permission to borrow his article on Brennan's Monorail.