. Elementary plant physiology. Plant physiology. Growth. 21 Make readings hourly throughout the day and on the following day. In this instrument the indicator arm consists of half the beam and a ray of light extending from the mirror to the scale, and it is possible to magnify the amount of growth by 200, or. Fig. 10.—Mirror auxanometer. E^ metal loop at the end of thread con- nected with apex of stem- The horizontal lever is divided into centimeter inter- vals by deep notches, from one of which the thermometer D is suspended, serving as a counterweight and to indicate temperatures ; C, mirror
. Elementary plant physiology. Plant physiology. Growth. 21 Make readings hourly throughout the day and on the following day. In this instrument the indicator arm consists of half the beam and a ray of light extending from the mirror to the scale, and it is possible to magnify the amount of growth by 200, or. Fig. 10.—Mirror auxanometer. E^ metal loop at the end of thread con- nected with apex of stem- The horizontal lever is divided into centimeter inter- vals by deep notches, from one of which the thermometer D is suspended, serving as a counterweight and to indicate temperatures ; C, mirror; B^ set screw for clamping telescoping support. A, levelling screw. even 300, and thus detect small increments of growth which may not be measured by any other instrument (Fig. 10). The mirror auxanometer may be constructed still more simply by attaching a mirror to the lever described in the first. 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 MacDougal, Daniel Trembly, 1865-1958. New York, London [etc. ] Longmans, Green, and Co.
Size: 1353px × 1847px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectplantph, bookyear1902
