(15 Sep 2015, 3:07 pm)Kuyoyo wrote 52 'Every 12 Minutes', 35 'Every 30 Minutes' - do the maths!
You said "the brand appears to be deviced (?!) for high frequency town services like the 58/59/61 (52 is more an inter urban service)", so if they can bend the rules for the 52 why not for the 35 which is a town service but half hourly?