Wikipedia
physical, chemical, or social science equilibria, and wider contexts, the condition of systems in which all competing influences are balanced.
these two Instruments. From my grandfather. I cleaned them with Water. Dried them. They have been on the South Window Sill of the Room for so long. Covered in dust. Artifacts. They each have that little glass tube with the Whatever in it that has a bubble that can articulate balance, Level. If things are equal, the bubble rests, centered, between two vertical lines.
"wider contexts" it says. I feel a Cloth.