Electron-inertia effects / by F.B. Llewellyn. Llewellyn, F. B. (Frederick Britton), 1897- Electrons. Vacuum-tubes. QC721 .L73 539.7211 LLE Includes bibliographical References ( p. 101-102.) and index. Cambridge [Eng.] : The University press, 1941. 1941. 1941 Text x, 104 p. : eng Cambridge physical tracts. General editors: M.L.E. Oliphant ... [and] J.A. Ratcliffe Cambridge physical tracts.