The Secretary of State may work and use the tramways and may use on the tramways carriages with flange wheels or wheels suitable only to run on the rail prescribed "by the Provisional Order; and subject to the provisions of the Provisional Order and of this Act, the Secretary of State shall have the exclusive use of the tramways for carriages with flange wheels or other wheels suitable only to run on the rail so prescribed.
All carriages used on any tramway shall be moved by the power prescribed by the Provisional Order ; and where no such power is prescribed by animal power only. Whenever the provisional Order authorises the use of electricity as a motive power, or otherwise, in connexion with any tramway, such provisions shall be inserted in the Provisional Order as are proper for the protection of the telegraphs of Her Majesty's Postmaster General.
If any person, except under the authority of a Provisional Order made by the Board of Trade under this Act. uses arty of the tramways or any part thereof with carriages having flange .wheels or other wheels suitable only to run on the rail of such tramway, such person shall for every such offence be liable to a penalty not exceeding twenty pounds.