Without prejudice to the landlords, lessors, or others having any estate, charge on, or interest in the land in which the mine is situate, or to the creditors, and their customary lien on the saleable machinery and materials belonging to the company, a company shall have power, by a special resolution to which three fourths in value of the shareholders shall consent, either in writing or at a meeting, to sell and dispose of the machinery and materials belonging to the company with or without the legal or equitable interest of the company in the leases or sett on which any mine belonging to the company is worked, as a going concern, provided that every such sale shall be by public auction, and that due notice of the intended sale be given by public advertisement in some local newspaper, and in some public journal or newspaper specially relating to mining companies, for two successive weeks before the sale.