. Electronic apparatus for biological research. Electronic apparatus and appliances; Biology -- Research. Figure Figure Forms of construction such as these afford mechanical protection to the movement from excessive currents, since a current much in excess of normal is required to fling the pointer hard enough on the end stop to cause damage: they cannot, of course, prevent the coil itself from accidental burn-out. 449. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illust
. Electronic apparatus for biological research. Electronic apparatus and appliances; Biology -- Research. Figure Figure Forms of construction such as these afford mechanical protection to the movement from excessive currents, since a current much in excess of normal is required to fling the pointer hard enough on the end stop to cause damage: they cannot, of course, prevent the coil itself from accidental burn-out. 449. 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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