Provided alwaies That this Act or any thing therein contained shall not extend or be construed to extend to the lessening takeing away abridgeing hindring prejudiceing or impeaching of any Grants Liberties Franchizes Customs Priviledges or Usages now or heretofore lawfully used held or enjoyed by the Mayor Jurats and Capitall Inhabitants of the Villages and Parishes of Gravesend and Milton in the County of Kent touching concerning or relating to the Passage and Ferry upon the said River of Thames from the said Villages and Parishes of Gravesend and Milton to the said City of London or touching or concerning the Government or Gubernation of the said Passage and Ferry but that the said Mayor Jurats and Inhabitants and their Successors shall and may doe and execute all and every such lawfull Act and Acts Powers and Authorities touching the said Passage and Ferry and the Government thereof as they might or could have done if this Act had not been made Any thing herein contained to the contrary thereof in any wise notwithstanding