This antique John Smeaton Rock Chisel dates back to the 1700's, during the time of its maker, John Smeaton, known as the Father of Civil Engineering. Hand crafted from steel, by Smeaton, as he was known to make his own tools, per historical records. This rock chisel holds historical significance as a tool made and used by Smeaton a renowned figure in the field of civil engineering during the 18th century this chisel may have been used in the construction of the of the Eddystone lighthouse, which John Smeaton is famous for designing. please contact me with anyquestions you have thank you for looking.