Arnold O. Beckman
Arnold O. Beckman
Born: 1900Birthplace: Cullom, Ill.
Apparatus for testing acidity—Beckman founded Beckman Instruments, Inc. in 1935 with the development of a pH meter for measuring acidity and alkalinity. He also developed the helical potentiometer, a precision electronic component, and the quartz spectrophotometer, an instrument which pioneered automatic chemical analysis. (1987)
| C. Donald Bateman | The National Inventors Hall of Fame | S. Joseph Begun |
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