Stoneware jug dating
Dating Stoneware Pots - West Virginia Association of Museums
Then you build on your knowledge from there. Samuel Propst ran his own shop and made all his own ware. With a year history covering multiple states, there is plenty to explore and learn while collecting pottery. But many potteries switched to slip glazes. The clear glaze is a type of soda glass formed in the heat of the kiln.
After the interior was usually lined with a brown coating called Albany slip. After the plantation potteries ceased to exist, many of the potters began to migrate, finding work in whatever shop would hire them. When competition increased, the local potters began to look for alternative methods that were less time consuming. The finished product, the unique combination of clay, glaze, and firing, could vary dramatically from piece to piece and firing to firing.
Slip glazes were not as attractive or as durable as alkaline glazes, but they could be bought by the bagful or could be easily mixed using local clays. The first potters were English trained. The acids naturally occurring in some foods would dissolve the lead from lead-based glaze, allowing it to be absorbed into the food.
With a flood of pottery from outside the South, the cost of pottery in the marketplace fell. Curator's Corner Every museum, or historic house, has a few salvaged stoneware crocks, jars and jugs. These forms tended to be less bulbous, but still had somewhat rounded sides. Becoming more familiar with these concepts should help the novice collector.
Alkaline glaze is the defining characteristic of Southern pottery. That means that the clay would have all manner of things mixed into it. The machines could easily produce straight-sided jugs with unskilled labor. Another factor was the way potteries were run.