The practical gager [electronic resource] : or, the young gager's assistant. Containing those things which are actually practised, and which are also absolutely necessary to be known and understood by every Person that is employed as a Gager or Officer in the Revenue of Excise. To which are added, all the necessary tables for gaging and fixing the Utensils of Victuallers, Common Brewers, and Distillers: Also for moneying the several Sorts of Goods, or for finding the Amounts of the Charges. Very useful for Supervisors, Officers, and Collectors Clerks. The third edition. With an appendix ; Containing several Additions, viz. The Method of Gaging by equidistant Ordinates; Inching and Tabulating of close Casks; and Specimens of Vouchers and Abstracts for the several Duties. Bonum qu? communius e? melius. Dedicated (by Permission) to the Honourable Commissioners of Excise. By William Symons, Collector of Excise.