This top is knitted in a single  piece.
YARN, GAUGE, SIZE  & MACHINE  Make this on any machine at all. No ribber required. Finished bust sizes are 22-38 increasing 2” per size. I suggest allowing 2” of ease in small sizes and 3-4” for larger  sizes. The length can be anything you wish as long as it  doesn’t exceed what the width of the bed can produce.  3 Gauges are given so a standard, mid-gauge  or bulky machine may be used.