| Reference | Detail | Dates | Archive | Keywords |
|---|---|---|---|---|
| M/2899 | shipment book of Carreg y Llam Quarry Ltd, 1928-34 |
1928 to 1934 | Caernarfon Record Office | None |
| Curios (acc.2914) | samples of slates recovered from a wreck found in the Menai straits, 1976 |
1976 to 1976 | Caernarfon Record Office | None |
| XM/2062 | brochure outlining proposal to ship slate waste from Blaenau Ffestiniog & other quarries through Porthmadog to Maplin sands, n.d. |
None to None | Caernarfon Record Office | mining |
| D.Q. | papers of Dry Dock Office, Dinorwic Quarries Ltd, Port Dinorwic, n.d. |
None to None | Caernarfon Record Office | None |
| Dorothea 2045 | report on the copper workings at Aberglaslyn with remarks on the history of the port, 1907 |
1907 to 1907 | Caernarfon Record Office | mining |
| Vaynol: 2597-612 | papers regarding slate trade, 1821-32; 2880, statistics of slates shipped from Port Dinorwic, 1856-63 |
1821 to 1863 | Caernarfon Record Office | mining |
| XM490 | records of the Dorothea Company, 1849-1941, including slate cargo books, later shipping books, 1849-87 |
1849 to 1941 | Caernarfon Record Office | mining trade |
| XPEN | papers regarding Penmaenmawr & Trefor Quarries, including 230-2, Penmaen Shipping Company records, 1895-1911; 233-45, shipping records, 1884-1967; 246-52, misc records, 1931-67 |
1884 to 1967 | Caernarfon Record Office | mining trade |
| XPQ | papers of Penrhyn Quarry including 65-9, slate shipments, 1829-1?; 90-2, 102, 110-13, Anglesey Shipping Company records, 1893-1954, including 110, account book of steamship repairs, 1926-43; 111, notebook for surveys of steamships of Anglesey Ship |
1829 to 1954 | Caernarfon Record Office | mining trade |
| XPenyrorsedd | Penyrorsedd quarry papers, including 105-16, slate shipments, 1929-68 |
1929 to 1968 | Caernarfon Record Office | mining trade shipping |
| XM/8282/5 | brief on behalf of the Trustees of the Harbour of Caernarfon against the Carnarvon & Llanberis Railway Bill, 1868 |
1868 to 1868 | Caernarfon Record Office | ports transport trains |
| XM/8302 | photocopies of papers regarding Capt. John Hughes of Caernarfon, 1891-c.1988 |
1891 to 1988 | Caernarfon Record Office | None |
| XM/8399/1-2 | volume by David Rees Davies comprising list of North Welsh vessels, n.d. & bundle of papers regarding the Thora of Oslo, stranded near Porthmadog, 1927 |
1927 to 1927 | Caernarfon Record Office | ships |
| XM/8405/18 | bundle of papers regarding the Swallow, brig, & the Higginson, 1832-56 |
1832 to 1856 | Caernarfon Record Office | ships |
| XM/8494 | papers regarding Dafydd Arthur Williams of Clynnog, 1937-73 |
1937 to 1973 | Caernarfon Record Office | None |
| XM/8514/2 | receipted invoice of Edward Ellis, ship & boat builder, ship chandler, of Bangor, to the owners of the Weyoran, yacht, 1850 |
1850 to 1850 | Caernarfon Record Office | construction trade |
| XM/8543/1 | photocopies of papers regarding the loss & salvage of the Eliza Jones of Beaumaris, 1889-90 |
1889 to 1890 | Caernarfon Record Office | wrecks ships |
| XM/8547/1-2 | papers regarding Richard Roberts of Aberdaron regarding the White Rose & SS Pansy, 1919, 1934 |
1919 to 1934 | Caernarfon Record Office | ships |
| XM/8549/1-7 | photocopies of papers regarding Hugh Owen Jones of Pwllheli & the Flintshire, 1884-1902 |
1884 to 1902 | Caernarfon Record Office | None |
| XM/8567 | circular letter of John Eliot, Offg. Meterological Reporter to the government of India to Capt. D. Davies, Pengwern, requesting weather observations, 19 February 1889 |
1889 to 1889 | Caernarfon Record Office | correspondence |