It has dual pivoting dome tweeters; each tweeter producing the left or right channel.
This new version has pivoting dome tweeters at an angle; each tweeter producing the left or right channel, and a pivoting woofer.
He constructed an apparatus in illustration, which he called a radiometer or lightmill, by pivoting a vertical axle carrying equidistant vertical vanes inside an exhausted glass bulb, one side of each vane being blackened and the other side bright, the blackened sides all pointing the same way round the axle.
Pivoting Aerator creates a variety of water flows to handle any kitchen chore.
Thanks to the swivel pivoting strap, the three-layer polar fleece face foam, and the 3-D facial contour.