Description | Paper discussing the presence of black rock stone in Brosely, Bently, and Pitchford in Shropshire. The author describes the texture and properties of this stone. The text in the published paper differs from this draft as this does not include information on making pitch, tar, or oil.
Subject: Geology
Published in Philosophical Transactions as 'An account of the making pitch, tar, and oil out of a blackish stone in Shropshire, communicated by Mr. Martin Ele the inventor of it'.
Read to the Royal Society on 28 October 1696. |