Vtg Eberhard Co. no. 7310D Iron Tractor Carriage Buggy Wagon Wrench - $5 (Bend)

Vintage iron tractor/carriage/buggy/wagon wrench.
It was manufactured by the Eberhard Co, a firm founded in 1875 in Cleveland, Ohio.
The wrench is approximately 9-1/2" long.
The square end measures approximately 1-1/8 inches across the flats.
The slot end is 5/8 inch.
Iit is marked as patented and bears the number 7310D and the "E" in a circle emblem of Eberhard.