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- [3] PHOTOELECTRIC TIMER FOR BUBBLE METER METHOD OF GAS FLOW MEASUREMENT JOURNAL OF SCIENTIFIC INSTRUMENTS, 1965, 42 (03): : 175 - &
- [7] A PHOTOELECTRIC EXPOSURE METER FOR PHOTOMICROGRAPHY JOURNAL OF SCIENTIFIC INSTRUMENTS AND OF PHYSICS IN INDUSTRY, 1948, 25 (09): : 300 - 301
- [10] STABLE PRECISION IN A READILY ASSEMBLED, CONTINUOUSLY RECORDING PHOTOELECTRIC BUBBLE FLOW METER JOURNAL OF LABORATORY AND CLINICAL MEDICINE, 1953, 42 (05): : 766 - 772