A notch slightly larger than the lever switch roller and two-thirds of the flange width must be cut in each drum at this mark using a small rat-tail file (fig. 1). ... Wiring diagram to alternately start and stop clock operation at 7.33-day intervals.
Title | : | Extending service intervals for drum-type meteorological instruments |
Author | : | Kenneth G. Bird, Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.), United States. Forest Service |
Publisher | : | - 1977 |
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