Reynolds, John of the Mynt in the Tower
A brief and easie way by tables to cast up silver to the standerd of XI ounces ij penny-weight, and gold to the standerd of XXII carrots : with questions wrought by the golden-rule, also by decimall tables
Here followeth a brief and easie way by tables, to cast up silver to the standard of XI ounces ij peny-weight, and gold to the standard of XXII carracts [sic]
Perfet [sic] directions for all English gold, now currant in this kingdome