Figure 2b shows more detail of the nipple
side-panel of the Stewiacke Warm-Box Milk Bar. The exterior dimensions are 33
3/8"x48". The top of the box is ¾" plywood and the bottom
being ¾" pressure-treated plywood.
Stewiacke
Warm-Box Milk Bars - Free-Access Milk Feeding in Cold Calf Barns