“Boldly ringed with stripes - bright in a clear paintbox colour - these are the ‘in’ looks from primary class to sixth form”

In No. 2 Knitting Album, Pop Tops is Design 5 on Page 8, described in the Contents List as Childrens Tank Tops in Trident Double Knitting.

Measurements
To fit bust or chest 24, 26, 28, 30, 32, 34, 36, 38 in
Length from top of shoulders 12, 13½, 15, 16½, 18, 19½, 20, 20½ in

Materials
Patons Trident Double Knitting or
Patons Totem Double Crepe or Patons Double Knitting
2, 3, 3, 4, 4, 5, 5, 5 X 50 gram balls
Patons Limelight Double Crepe
2, 3, 3, 3, 4, 4, 5, 5 X 50 gram balls
Patons Double Plus - extra length double knitting
2, 2, 2, 2, 3, 3, 3, 3 X 50 gram balls.