The Mechanism Called Teat

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