"Pete Stein's Unified Approach has aided me in having a very successful career in designing strain gage based, rotary transformer type, rotating torque-meters. His ideologies and methods have stood the test of time. We are currently manufacturing a device---renamed a Stein Box---for diagnosing and documenting measurement system errors due to noise and the environment!"

Paul Morgan
President
Engineered Measurement Systems, Inc.

"Pete Stein has contributed more to good measurement practice in this country than has NBS and all the various other measurement organizations put together."

Wilbur Anson
Chief, Electromagnetic Information Center (Ret.)
National Bureau of Standards [NBS = NIST];
Business Manager (Ret.)
National Conference of Standards Laboratories

"Needed to produce measurements with a high assurance of correctness."

Robert E. Gorton
Head of Instrumentation Development (Ret.)
Pratt & Whitney Aircraft Co.

"Many have benefitted enormously. . . . Practical, useful information."

Darrell R. Harting
Manager, R&D Integration (Ret.)
Boeing Defense and Space Group

"Essential for all engineers even remotely involved in test measurements."

Lawrence C. Shull
Technical Staff (Ret.)
Special Applications & Experiments
McDonnell-Douglas Space Systems Co.

"Of great value to professionals in the medical sciences."

Nebojsa Kovacevic
President
NK Biotechnical Engineering Co.

"[These] principles . . . served me well for more than 30 years."

Robert L. Lyon
Advisory Engineer (Ret.)
IBM