Shipping duties. A return of all duties, rates or tolls (other than dock dues, imposed by act of Parliament), levied by any corporation or individuals on shipping or goods, imported into or exported from any ports of the United Kingdom, with a statement of what class of persons, if any, are exempt from the same; and also, of the authority under which they are levied, and the amount thereof, during the years 1830, 1831 and 1832; so far as the said duties, &c. relate to the Corporation of Trinity-House of Deptford Strond [electronic resource].