EVP Series valves boast long life, low power, rugged design, and fast response. They provide control of air or gas flow and vary the output flow based on the current input to the solenoid. Consistent gain provides a high degree of control.

Clippard Instrument Laboratory Inc., 7390 Colerain Ave., Cincinnati, OH 45239. (513) 521-4261. www.clippard.com.

Closed-Loop Quality Management Minimizes the Cost of Quality
Don Jasurda, Vice President, Dimensional Control Systems

Engineering, Freedom, and the 28th Amendment
Karl Stephens

Picking Glass Out of My Eyes
David Mantey, Editor, PD&D