UPPER LEFT—This 600-gallon concrete tank is fitted with a large 2in. valve and supplies water for replenishing the dip. UPPER RIGHT—The lift-up, counter-weighted gate which gives access by way of a ramp to the draining pens. MIDDLE LEFT—The foot-rot trough, which leads from a crush pen to a draining pen. The trough is Iff. I in. wide at the bottom. MIDDLE RIGHT'The pot dip in use. The dip holds from 4 to 6 sheep. The counter-weighted gate is lowered to close the exit from the dip. BOTTOM—The draining pens, with the ramp from the dip in the foreground. Each draining pen holds approximately 60 to 70 Romney ewes. The pens drain into a covered sump which filters out impurities from the dipping fluid before it returns to the dip.

New Zealand Journal of Agriculture, Volume 95, Issue 3, 16 September 1957, Page 290

UPPER LEFT—This 600-gallon concrete tank is fitted with a large 2in. valve and supplies water for replenishing the dip. UPPER RIGHT—The lift-up, counter-weighted gate which gives access by way of a ramp to the draining pens. MIDDLE LEFT—The foot-rot trough, which leads from a crush pen to a draining pen. The trough is Iff. I in. wide at the bottom. MIDDLE RIGHT'The pot dip in use. The dip holds from 4 to 6 sheep. The counter-weighted gate is lowered to close the exit from the dip. BOTTOM—The draining pens, with the ramp from the dip in the foreground. Each draining pen holds approximately 60 to 70 Romney ewes. The pens drain into a covered sump which filters out impurities from the dipping fluid before it returns to the dip.