| Description | Includes :
(i) Printed document produced for the employes at the Penrhyn Quarry being Lord Penrhyn's Reply to Robert Davies and six others, 25 September 1890
(ii) Llyfryn "Helynt Chwarel y Penrhyn 1896" sef trafodaeth gweithwyr Chwarel Cae-Braich-y-Cafn ag Arglwydd Penrhyn ac Awdurdodau y Chwarel (3 copi)
(iii) Bilingual notice from Penrhyn Quarry offering work to the late Penrhyn Quarry Employees, 1 December 1900 |