Oil. On waves.
Patterson, Robert, LL.p., 1743-1824. *°E145.2.3 Explanation of a singular phenomenon, first observed by Dr. Franklin, and not hitherto satisfactorily accounted for, In a let- ter from Mr. R. Patterson to Mr. B. Rush. (In American Philosophical Society. Transactions. Vol. 3. Philadelphia. 1793.)
The stilling of the waves by oil.
   
This card was printed at the ® Public Library, October 18, 1916. Ko9645 — Franklin, Benjamin. — Oil. faves. — Rush, Benjamin, 1746=
1813.