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X/Dorothea/1518-1581

Plans

Item TitleDescriptionArchive Date
X/Dorothea/1538 Miscellaneous 25" Ordnance Survey Plans: 1. 1915: 3rd edition: Sheet XXI, 5 (Penybryn Quarry marked) (2 copies, one rolled, with the quarry coloured in). (Large.) 2. 3rd edition: Sheet XV, 12 (...  more  
X/Dorothea/1539 SECTION of rocks at Dorothea, South Dorothea and Coed Madog Slate Quarries and water levels, permeable rocks etc..  1921
X/Dorothea/1540 PLAN and Sections - Nantlle Cut levels and land round Dorothea House. (Large.)  1921
X/Dorothea/1541 PLAN: Proposed arrangement of portable compressor (for Dorothea Quarry).  1923
X/Dorothea/1542 PLAN: Arrangement of 2 N.W.2E type Heavy Oil Engines (for Dorothea Quarry).  1935
X/Dorothea/1543 PLAN: Single span steel bridge carrying tramway over road at Gloddfarlon (Dorothea Quarry).  1938 30 Mar.
X/Dorothea/1544 PLAN: Standard saw shaft and brasses (Glaslyn Foundry, Porthmadog) for Dorothea Quarry.  [19]39
X/Dorothea/1545 PLAN: Details of Pump House and deck rick (Thomas Watinsley & Sons, Bolton).  1939
X/Dorothea/1546 PLAN: Brake for cableway winch at Dorothea Quarry. (Glaslyn Foundry, Porthmadog.)  1948
X/Dorothea/1547 PLAN of North Wales and Caernarvonshire & District rivers and catchment areas for the Caernarvonshire Rivers Catchment Board.  1949
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In accord with normal archival practice in Wales, details of documents are presented in the language of the document. Where details appear in Welsh, then Welsh is the language in which the document is written; where they are in English, the document is in English.