Every gram speaks.
The beam shows direction, but certification demands an exact numerical match.

The reference stack is sealed. Choose the exact combination of assay weights that brings the beam back to level.
Open the assay ledgerEach commission has one reference mass. Add or remove marked weights until both pans agree exactly, then certify the alloy.
The beam shows direction, but certification demands an exact numerical match.
The palette comes from ledger cloth, aged scale arms and daylight on pewter.
Weights are fictional puzzle units. Nothing can be purchased, won or redeemed.