Copyright Anthony P. Smith, February 2012 Minimus differentials (8 changes per lead) No. Name Notation lh RW ref Notes 442 Boatman's 14 - 34.14.34 - 14.34 2143 09/157 Neither extent nor in a peal Triples differentials (4 changes per lead) No. Name Notation lh RW ref Notes 443 North Utsire 34567.147.34567.1 3126475 06/1250 Quarter peal Royal differentials (32 changes per lead) No. Name Notation lh Notes 444 Winkie Banana - 1470 - 1470 - 58 - 58 - 1470 - 1470 - 58 - 58 - 1470 - 1470 - 36 - 36 - 1470 - 1470 - 36 - 36 8721430956 Plain course