. Electronic apparatus for biological research. Electronic apparatus and appliances; Biology -- Research. LIGHT SOURCES AND DETECTORS 5: 10. 25 30 60 80 100 120 125 Volts per stage Figure Typical amplification characteristics of 931A and IP21 photo- multipliers. A average multiplication; B typical residual current values as functions of stage voltage. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Donaldson, Peter Ed


. Electronic apparatus for biological research. Electronic apparatus and appliances; Biology -- Research. LIGHT SOURCES AND DETECTORS 5: 10. 25 30 60 80 100 120 125 Volts per stage Figure Typical amplification characteristics of 931A and IP21 photo- multipliers. A average multiplication; B typical residual current values as functions of stage voltage. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Donaldson, Peter Eden Kirwan. New York, Academic Press


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