TY - BOOK AU - Reich,Herbert J. TI - Principles of electron tubes U1 - 537.53 PY - 1941/// CY - New York, London PB - McGraw-Hill Book Company, Inc. KW - Vacuum-tubes KW - Electric circuits N1 - "Essentially an abridgement of [the author's] 'Theory and applications of electron tubes'."--Pref; "Answers to problems": p. 395-398; Includes bibliographies and index ER -