Palmer, 21, swum an amazing 29.22secs in the 50m breaststroke to break the 17-24 senior age group British record and win gold, with team-mate Jordan Batson claiming silver.
Palmer didn’t make the best of starts either to the race as Batson led to 25m, but then he powered through to victory.
Palmer also went on to win bronze in the the 50m as he finished in joint third place.
Meanwhile, Batson, on his first ever Masters Nationals, clocked a PB of 31.27secs on his way to silver.
Jones left frustrated once more as Town fail to take their chances during Lilywhites defeat
Goal-shy Luton still searching for a first win after Preston defeat
Jones assures Lockyer and co they are still 'key' members of Luton's squad
Hatters were aware of McAtee's shoulder injury before agreeing to sign Grimsby striker
Jones will go back to full strength for Town's clash with Preston
Fellow Putteridge member Lewis King was making his comeback at this level and won a silver and bronze, denied another medal after an infingement on a turn.
King was second in the 200m butterfly with a new county record and East Region Senior Masters time.
He was also third in the 400m IM, fifth in the 400m freestyle and sixth in the 200m freestule, setting new county records in all his events.
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