| Description | Referred to in the above manuscript.
Marked “Extract from the Abridgement of the Phil. Transactions by Hutton, Shaw and Pearson. Vol. 8 Part 2nd p. 295, being Vol. 41 of the original No. 452 p/ 59.” Docketed “Dr. Clayton’s experiments on the spirit of coals from the Phil. Trans., anno 1739.” |