Clockwise rotation of the knob increases the volume, counterclockwise rotation diminishes the volume.
Since the flow of the air moves clockwise around a high pressure area and counterclockwise around a low pressure area, the birds are directed away from the "high" and toward the center of the "low.
In contrast, the circulation of air in the vicinity of a low pressure area is counterclockwise with the force tending to be directed inward toward the center.
By that I mean circular bands of clouds, of width perhaps ranging from 20 miles to a few hundred miles, spiraling around the center in a counterclockwise manner.
Then I counted chimpanzees again, and found that the right hand pointer was still rotating counterclockwise at the rate of about fifty chimpanzees per graduation.
With rare presence of mind, I figured that as ant-men wrote with their left hands and had counterclockwise clocks, their books would probably begin at the wrong end; so accordingly I opened at the back.
Use a ⅝-inch, open‐end wrench and turn square shaft counterclockwise until bolt slot is upward.
Turn adjusting screw counterclockwise (to the left) to move transmission forward and loosen front chain.
NOTE: If chain is too tight, turn wheel adjusting screws counterclockwise (to left) so that wheel can be shifted forward.
