c york v eaton JointtenantsSurvivorship a and b be partner in trade and for  security of money due to they upon the account of their trade they take a  mortgage of a college lease to they in both their name a assign his interest  or part to c his son and then c and b do renew this lease in their name and  each of they pay a part of the fine and c die and the executor of c prefer  this bill against b for his share in this term which b claim whole by  survivorship and for the plaintiff the case betwixt tailor and Fleming Rep S  be cite where two person take a lease for year and each of they pay a moiety  of the fine yet if one die the term shall whole survive to the other which the  Lord chancellor admit for there they run equal hazard and put it to the  venture which shall die first and so they shall in all case of jointtenancy  unless a agreement or a trust c But it have be repeat decide that a lease or  other interest in land purchase for the purpose of carry on trade be no more  than stock in trade Crawshay v maul Swanst balmain v shore Ves be prove and no  relief shall be ad here without such proof but in this case it appear that  this be original a security for a debt contract when a and b be partner in  trade and upon that account and by the law this shall not survive lake v  Craddock p wms Jackson v Jackson Ves Reg lib b fol the Lord chancellor decree  that the plaintiff and defendant shall come to a account before a master of  the court for the good and money in partnership betwixt they and for the debt  and money belong to the partnership receive by either of they and also for the  profit of the premise receive by either of they since the renewal of the say  lease and that all deed and conveyance touch the premise which be in the  defendant hand shall be produce before the say master No cost be give to  either party and then when a assign his share to c this shall not alter the  nature of the debt but if c have die then without question his executor shall  have have their share and here notwithstanding the lease be renew yet this be  but as it be a continuation of the same security and the nature of it shall  not be alter but the plaintiff who be executor of c the son shall have his  share