A small groove is cut on a flange, and a rubber ring, of about 1⁄4-in.
The flange is held securely in the base by eight 3/4-inch cap-screws.
Fig. 57, showing a development of both stop and flange, ditto, ditto.
This makes a jacket of water between the flange and sides of the canner.
The Wheels are made from the flange ends of the large spools.
Divide this flange equally ...