On the Probabilities of Survivorships between Two Persons of Any Given Ages, and the Method of Determining the Values of Reversions Depending on Those Survivorships.
Experiments on the Production of Artificial Cold. By Richard Walker, Apothecary to the Radcliffe Infirmary at Oxford. In a Letter to Henry Cavendish, Esq. F. R. S. and A. S.
A Description of an Instrument Which, by the Turning of a Winch, Produces the Two States of Electricity without Friction or Communication with the Earth. In a Letter from Mr. William Nicholson to Sir Joseph Banks, Bart. P. R. S.