Articles of agreement in the nature of a lease lease 1. Sir Nicholas Bayly 2. Samuel Oldham of Llanfihangel Esceifiog, miner Articles of agreement in the nature of a lease of the coal works at Penryhn Ucha, Penrhyn Isa, Ty Hen and Tyddyn Shon Llewelyn in the parsh of Llanfihangel Esceifiog; Tern : 21 years Rent : one half of the value of coal raised each week Dorse: "A schedule of the Whimsey and....tools at Penryhn" 25 March 1748