Ad: Ultrasonic Corp. (Sep, 1952)
“These Theories on Automatic Feedback Control are Interesting…but…
When can I use them in my plant?”
The answer is: Plans can be started just as quickly as you can phone us or write us.
Here at Ultrasonic is a skilled staff already trained in diverse applications of automatic control â€”
. . . with many years of actual experience in using digital and analog feedback control on machine tools and process industry equipment.
If this issue of Scientific American stimulates your thinking … if it makes you want to get the benefits of an early start in this new field for your company . . . then, get in touch with us. Ultrasonic Corporation, 61 Rogers Street, Cambridge, Massachusetts.
CAMBRIDGE 42 MASS.
AUTOMATIC FEEDBACK CONTROL DEVELOPMENT, EVALUATION AND EQUIPMENT