THE HYDROGEN ATOM. John Wiley & Sons. 4 min., sd., color, Super 8 mm. Loop film. Appl. author: Wendell H. Slabaugh. © John Wiley & Sons, Inc.; 18Jul69; MP20469.

I

I AM GROWING UP (Filmstrip) 210. Educational Innovations. 33 fr., color, 35 mm. © Educational Innovations, Inc. (in notice: Education Innovations, Inc.); 1Aug69; JP11930.

IBJOB. International Business Machines Corp. 28 min., sd., b&w. Videotape (1 in.) (7090/94 programming) © International Business Machines Corp.; 10Jul69; MP19973.

IBSYS OPERATING SYSTEM. International Business Machines Corp. 32 min., sd., b&w. Videotape (1 in.) (7090/94 programming) © International Business Machines Corp.; 10Jul69; MP19972.

ILS APPROACHES. See

INSTRUMENT APPROACHES.

IOCS. International Business Machines Corp. 43 min., sd., b&w. Videotape (1 in.) (7090/94 programming) © International Business Machines Corp.; 10Jul69; MP19974.

IOCS. Pt. 1. See

INTRODUCTION TO IOCS & IOCS.