In section 692(1) of the Merchant Shipping Act 1894 (which among other things provides that if a ship which is detained in pursuance of that section proceeds to sea before it is released the master and the owner of the ship and any other person who sends it to sea shall be liable to a fine not exceeding £200) for the words from " liable " onwards there shall be substituted the words " liable on conviction on indictment to a fine and on summary conviction to a fine not exceeding fifty thousand pounds. ".