Royal Polberou Consols 1841 (TA, 1841)
Royal Polberou Consols 1842 (mine, Charles Kenneth Vigers of Truro, purser and adventurer (*CRO, STA/693c/101, 1842)
Royal Polberrow Mines 1853 (situate in the Manor of Trevaunance) (*RIC, HP/18/10, 1853)
Royal Polberou Consols otherwise Saint Agnes Consols 1846 (Charles Kenneth Vigurs, adventurer and purser and principal manager)(*CRO, STA/693c/149, 1846)