case FULTHROPE versus foster refer to Alderson v white de g I novembris in  court master of the roll a convey land to b who be put into possession but  under a agreement that if a pay the money in ten year b shall reconvey the  profit appear to be much more than the interest upon a bill by the heir to  redeem b decree to account for the profit and not permit to set the profit  against the interest the mother who have a estate for life join with her son  who have the inheritance in a conveyance of land of pound per and and a profit  out of some coal i which common feature year be worth pound per and for pound  the deed be absolute and the vendee be immediate put into possession but on a  proviso that if the son shall Vernon chancery case pay the money at the end of  year the defendant shall reconvey to the son the bill be bring by the son to  redeem and the sole question be whether the defendant shall retain the profit  in lieu of the interest or shall account for what he have receive out of the  estate it be insist that the mother who have part with her estate for life  have the most reason to complain and yet she be content the defendant shall  have the profit in lieu of the interest that the son have a good bargain of it  for he have get to himself his mother estate for life and that this be but  like the case of Welsh mortgage where the mortgagee be put into possession  immediate under a proviso to have a reconveyance on payment of the principal  money sometime at a time prefix and often at any time whatsoever and there the  profit always go against the interest vide Howel v price p wms Talbot v  Braddil ante Manlove v bale post vol that this case be strong by reason that  the profit here arise out of the coalmine be more uncertain than the profit of  land but the master of the roll think that in this case the profit be pound  per and it be altogether unjust and unreasonable that the same shall go in  lieu of Vernon chancery case er p the interest of pound and as touch Welsh  mortgage he think if the value be excessive the court will decree a account  notwithstanding the agreement for retain the profit in lieu of interest and he  think the court will relieve against a Bristol bargain to wit where a lend b  pound on a good security and as to one it be agree between the party that it  shall be repay altogether with interest for it as it shall become due and as  to the other pound that b in consideration thereof shall pay unto a pound per  annum for seven year and in the principal case he decree a reconveyance on  payment of what shall appear to be due discount the profit receive from the  time of mortgagee entry Reg lib a fol