How Old Is This Pottery? ... And whats it made out of?

[cowsaretrippy]

A collection of some pottery ive found on an old farm site on Southeastern Pennsylvania. Can someone help me identify the age of these pieces ( assuming they arent all modern) or even material they may have been made from. I can never find any good identification resources online when it comes to pottery.

Thanks!!

 

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[ToddsPoint]

The piece on the far right is called salt glazed. The lower left is what old whiskey jugs were made of. Not sure of the name. Sorry I can't help more. Gary

 

[Tpmetal]

as todd said, a few look like stoneware one or two of which look like possible salt glazed stoneware.

 

[smokeythecat]

The darker stuff is redware. Salt glazed stoneware is a correct id for the piece on the top right. In eastern PA it probably is early to mid 19th century, but can be earlier. Redware has been made since Roman times, so dating it is hard unless there is more diagnostic ceramics found with it.