|Thanks Boys for his kindness and pleads that he has been very busy teaching. After Boys's help he believes he can see his way, although he had no idea of the theory of damping. The paper was read to the Londonderry Scientific Society and aroused much interest. He has some additional queries about Boys's method in the gravitational experiments, which he relays and returns the copy of the Philosophical Transactions.
Bernard O'Kane (1867-1939) Roman Catholic priest and Bishop of Derry 1926-1939.