Often fascinating in sci-fi is the description of technology. In this case a nutrient dispenser:
Tears-crying was for face-liquid. It was useless, or rather useful only as emotional expression. It was a waste product … (and she had been right in the first guess about twin eyes!) … and then the further realization that the great size she had at first attributed to the bottle was relative only to the babe. The thing was a reasonably-sized, sensibly-shaped storage container for the nutrient fluid the babe and child called milk; and it was furthermore provided with a mechanism at one end designed to be sucked upon.
Judith Merril “Homecalling” in Daughters of Earth.
And so for day 1659