bind v Seawell if three witness attest the last sheet of a will and the other  sheet be then in the same room though they do not see they or know that they  be so it be a good attestation SC ante this case be again argue by will for  the plaintiff who observe that if a testator have show a will make on several  piece of parchment roll up so that only the bottom shall appear to the witness  that will doubtless be a good attestation that the inconvenience suggest  Blackstone that the testator may substitute another sheet never see by any  witness will be equal strong if all the witness have see it for it be all  write with his own hand and he may change any part of it at leisure that the  dictum rely on in lea and Libb Mod suppose that none of the witness see the  first sheet which be not the present case he also cite Wyndham and chetwynd  Geo p from burn ecclesiastical law but be interrupt by Lord Mansfield who say  that book be no authority and that the case cite be in report to his knowledge  Norton attorneygeneral for the defendant allow that this instrument may be  good as a will but not as a devise of land that the word will be never once  Blackstone er p mention in stat car the only question be whether it have all  the statutable requisite to such a devise we say it be not statutably attest  it be rather a question of fact than of law I admit that the witness need not  know the number of sheet which he attest but here he actual do know it Wheri  he positive say I attest a will of one sheet only and you produce a will of  two sheet the court will say that be not the same instrument there be no room  for presumption here to establish this as a good attestation will in point of  precedent be a great inlet to fraud if a testator be allow to add a sheet not  see by the witness any other have man may curian advisare vult p ante Q but it  appear from burr that a new trial be order ld Mansfield can every presumption  ought to be make by a jury in favour of such a will when there be no doubt of  the testator intention it be not necessary that the witness shall attest in  the presence of each other or that the testator shall declare the instrument  ent he execute into be his will or that the witness shall attest every page  folio or sheet or that they shall know the content or that each folio page or  sheet shall be particular show to they this have be settle we be all of  opinion that it ought to be try over again and if the jury shall be of opinion  that the first sheet of the will be then in the room they ought to find for  the will general and they ought to presume from the circumstance prove that  the will I e the entire will be in the room