Tomorrow we will give the burning of oyster shells in the kiln a second try.
Brian, I am a member of the chattering classes, and thus have no real experience with anything real or useful, so of course I get confused anything more complicated than how many sides does a brick have? **
You are doing this to reproduce a possibly antique method of making lime for mortar, to see if it was really feasible? And if it proves to have been feasible then anyone who says that "nobody used lime mortar in forts/lighthouses/etc. because they couldn't make it" will have to recant? And if it was not feasible then it will be assumed that either a) they bought it from Ye Olde Home Deppot, or used something else?
Christopher
** don't forget to count the outside and the inside
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