. Bulletin. Natural history; Natural history. SoirE Propertiks ok On. 239. Pig. 3. Apparatus Used in Making Axglbi-op-contact Measlrements. (Photo by K. F. Auden.) 6 = 30° "mr^^- B Pig. 4. Diagrams Showing Insertion ok a Le:af into Liquids at Different Angles in Order to Measure Wetting Ability. In A, where the liquid is neither elevated nor depressed at the point of con- tact, the angle is 90°. In B. where the liquid is depressed, the angle of contact is greater than 90°, and the leaf must be rotated to the position shown in C. D represents the position to which the leaf must
. Bulletin. Natural history; Natural history. SoirE Propertiks ok On. 239. Pig. 3. Apparatus Used in Making Axglbi-op-contact Measlrements. (Photo by K. F. Auden.) 6 = 30° "mr^^- B Pig. 4. Diagrams Showing Insertion ok a Le:af into Liquids at Different Angles in Order to Measure Wetting Ability. In A, where the liquid is neither elevated nor depressed at the point of con- tact, the angle is 90°. In B. where the liquid is depressed, the angle of contact is greater than 90°, and the leaf must be rotated to the position shown in C. D represents the position to which the leaf must be rotated when the liquid is ele- vated at the point of contact, the angle being less than 90°.. 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 Illinois. Natural History Survey Division. Urbana, State of Illinois, Dept. of Registration and Education, Natural History Survey Division
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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory
