DOCUlMNT oOM 36-412 VELO, ITY ANALYSIS OF THERMIONIC EMISSION FROM SINGLE-CRYSTAL TUNGSTEN ANDREW R. HUTSON TECHNICAL REPORT 260 JANUARY 13, 1955 RESEARCH LABORATORY OF ELECTRONICS MASSACHUSETTS INSTITUTE OF TECHNOLOGY CAMBRIDGE, MASSACHUSETTS Reprinted from THE PHYSICAL REVIEW, Vol. 98, No. 4, pp. 889-901, May 15, 1955 CnY