With his work Three Successive Ages of Stone, Bronze, and Iron (1734), he influenced fellow antiquaries, notably William Borlase who further developed this idea.
On the cliff at St Levan is St Levan's Well and below it the probable remains of his chapel, which were described by William Borlase in his Antiquities.
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He was a leading member of a group of antiquaries in west Penwith; this group also included John Boson and Thomas Boson, William Gwavas, Thomas Tonkin, William Borlase, Oliver Pender, and James Jenkins of Alverton.