5 Man-Machine Tactile Communication
Man, using a simple tactile device, can now feel and identify shapes and objects existing only in the memory of a computer.
A. Michael Noll

12 - 800 At San Francisco Symposium Hear 60 Papers Given

13 SID 1972-73 Officers

14 People Power
Harley L. Bjelland

16 The Graphic Display at an Electrical Power Interconnection Control Center
Visual display is crucial. The intent is to furnish information which can aid the operator in making decisions quickly.
By John E. Braun and H. Gordon Stewart

DEPARTMENTS

4 Message from the President of SID

24 New Products

29 SID Activities

29 Advertisers

30 SID Sustaining Members