Webarchive backup: stevenjohnson.com: Non-Linear Systems Citat: "...Non-Linear Systems (NLS) was founded in 1952. Andrew Kay started the company in Southern California. The following year Non-Linear Systems manufactured and sold the first digital voltmeter..."
Webarchive backup: acceleratedcomposites.com: Our Team Citat: "...Andrew Kay, Sr. Business Advisor, is credited with inventing the digital voltmeter, the concept of analog to digital conversion, and the digital revolution. In the 1960’s, Mr. Kay founded Non-Liner Systems (NLS) where he revolutionized high technology/high value product manufacturing by migrating away from traditional assembly lines in favor of autonomous “teams”, boosting quality and productivity while giving the employees a more complete sense of ownership..."