Lenk, John D., 1924- Handbook of oscilloscopes : theory and application / John D. Lenk. - Revised and enlarged ed. - Englewood Cliffs, N.J. : Prentice-Hall, 1982. - xii, 340p. : ill. ; 24cm. Includes index. ISBN: 013380576X Subjects--Topical Terms: Cathode ray oscilloscope.