Technical Digest

Miscellany
Volume 9, Number 3 (January–February 1970)

A Fixed-Rate Rechargeable Cardiac Pacemaker P. W. Barnhart, R. E. Fischell, K. B. Lewis, W. E. Radford

Three-Dimensional Radiography D. G. Grant, J. B. Garrison, R. J. Johns

Excerpts from the Report of the Director R. E. Gibson

MISCELLANEA Publications; Patents; Colloquia; Honors, Awards, and Appointments; Addresses; and the Authors