just checked P. T. Rathbone's 3rd edition of the history of old time FARM IMPLEMENTS AND THE WRENCHES THEY USED.
George W. Brown, born 1815 in Clifford Park, Saratoga, N.Y. DIED June 2, 1895
(2) wrenches are listed;
1562 which is a doubletree pin wrench. ( it has one open end wrench on one end, the other end is just a round pin.
244 one end has a boxed square wrench, the other end has 3 open wrenches plus a boxed hex between the 3 openings.