What do you think these are for?  The one on your left is a the larger version and right one is a smaller version.   Send your guess to our email: [email protected]  Guess as many times as you like.  I will post new clues throughout the contest periodically.  One speckle spattered brown cereal bowl will go to the one who guesses first.  In the event of of tie, winner will be selected by drawing. 

In the mid-60's Western Stoneware explored possible ceramic uses for chemical absorbency.

Good Luck!    Contest ends August 8, 2017.