Two account books of the schooner 'New Valiant' of Portmadoc (Griffith Griffiths, Tal-y-sarn, master), 1849-1852, 1857-1862.

An account book of the schooner 'Economy' of Portmadoc? (Watkin Williams, master), 1829-1831. At the end are debts due to, and other accounts of, Watkin Williams, 1857.

Two account books of the schooner 'William' of Portmadoc? (Hugh Watkins, Robert Hughes, and John Roberts, masters), 1844-1854.

Five account books of the sloop 'Star' of Pwllheli (Watkin Parry, Robert Owen, Watkin Williams, and Owen Williams, masters), 1851-1859. NLW MS 12105 iiB also contains accounts of the 'William' of Portmadoc, 1858-1862.

Account book, 1916-1923, of Tom Parry and Co., auctioneers, Porthmadog, apparently relating to their general store, ironmonger and chandlery business.
The volume contains accounts for the sales of various goods, including furniture, paint, oil and paraffin, ropes, brushes, cutlery and tableware and other household goods and hardware; there are no records relating to auction or valuation business. Customers consist of local companies, estates, ships and individuals, and include the Ffestiniog Railway Co. (ff. 79-80, 84 verso-85), J. W. Greaves & Sons Ltd (ff. 88-91), R[ichard] M[ethuen] Greaves (ff. 92-93, 98-99 verso), Lord Harlech (f. 111 recto-verso, 127-132), the Rhosydd Slate Quarry Co. (ff. 311-324, 326-328), the Tremadoc Estate (ff. 359, 361 verso), and David Williams, shipbuilders (ff. 371-372). Sundry accounts are on ff. 332 verso-351. Loose items (4 ff.) have been either tipped in or loosely inserted on the relevant pages.

Three notebooks largely containing shares and other accounts of specified ships ('Star', 'William', etc.), 1846-1852. There are also lists of coals delivered out of the 'Merioneth' and at Tyddyn Mawr, 1847.