The Preliminaries productive of a premunire: or, Old England caught in a trap. Plainly shewing, by observations on every particular article of the preliminary treaty of convention, how far it is conducive to the welfare and advantage of Great Britain or subservient to the interests of other powers. With some particular remarks on the 10th and 20th articles, concerning the Assiento treaty, and the loan on Silesia, worthy to be considered in the present juncture by all merchants, or others, that have any interest in commerce, or share in the publick funds