The assessors and collectors companion: or, a compleat table (ready cast up) of all or any of the monthly rates any person may be charged withal, [electronic resource] : by virtue of a late act of Parliament, entituled, an act for granting an aid to His majesty, as well by a land tax, as by several subsidies and other duties, payable for one year, together with the just quantity of hammer'd silver money at five shillings and eight pence and ounce, that will answer any payment monthly, or for the whole year; useful not only for the assessors and collectors, but for all other persons chargeable with the duties of the said act. By Edw. Hatton, gent