14 notebooks containing notes taken by Morton at lectures he attended 1889-1892, mostly given by R.R. Webb, others by J. Larmor, H.F. Baker, G.H. Darwin and R. Pendlebury. They include notes on the following subjects: Statics (Webb), Newton (Webb), Particle Dynamics (Webb), Rigid Dynamics (Webb), Hydrostatics (Webb), Planetary Theory (Darwin), Physical Optics, Geometrical Optics (Larmor, Webb), Mathematical Physics (Larmor), Astronomy (Webb).