New duty on paper : The paper-maker and stationers assistant, Containing I. The Average Weight of Paper. II. The Quantity of Reams in a Day's Work. III. The Dimensions. IV. The Old Duty. V. The Advance Duty. VI. The Whole Duty as altered by the late Act of Parliament. To which are added, tables shewing the duty on paper, from a Haltpenny to Twopence Halfpenny, ready cast up from One Pound Weight to a Thousand. By R. Johnson, Stationer