The Company shall cause Minutes of all resolutions and proceedings of general meeting of the Company to be dulyl entered in books to be form time to time provided for the purpose, and any such Minute as aforesaid, if signed by any person purporting to be the Chairman of such meeting, shall be receivable in evidence in all legal proceedings; and, until the contrary is proved, every general meeting, in respect of the proceedings of which Minutes have been so made, shall be deemed to have been duly held and convened.