| Description | This includes a letters addressed to Lord Penrhyn from various Carnarvonshire Combined Sanitary District Medical Officers of Health with details of the the components in various water sample examinations for Capel Ogwen; Lonisaf, Llandygai; and Dolhelyg, Llanllechid. There’s also a letter from Lester Smith relating to a water well being built at Minffordd. |