Copies of two memorials to the general convention of the royal boroughs : from the merchants, brewers, bakers, and other traders in Edinburgh and Leith, in behalf of themselves, and the general trade of Scotland : dated Edinburgh, the 27th December 1780, and 9th July 1781 : together with remarks from the officers of the Customs at Leith, Borrowstounnels, Alloa, and Kirkcaldy, the four principal ports on the Frith [as printed] of Forth.