XII. And be it further ordained by the authority aforesaid, That the Prices and Rates to be taken by Cart-Men for the carriage of firewood, goods, wares and merchandise, and other things within this city, be according to the rates and prices hereafter mentioned, with out any exactions, viz.

[…]

For every load of gunpowder, to or from the powder-house, not exceeding four casks, two shillings and six pence. If less than four casks eighteen pence. If more than four casks three shillings.