. Electronic apparatus for biological research . Level of P slider Vi grid V2 anode Figure the polarity required. The duration of the pulse may be controlled by varying R, C, or the slider of P. The amplitude of the pulse depends on the valve, the HT, and is related to the ratio of the relevant anode load to R^. The pulse duration also depends on these three quantities. A high rate of rise

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Keywords: ., bookcentury1900, bookcollectionameri, bookcollectionbiodiversity