In plain English
What is this thing?
North-window set the square frame upright on a workshop bench and pointed it north. With no glass, whatever lies beyond remains touchable and free to change.
The brass plate turns framing into a warning: exclusion makes observation possible, but an observer must not mistake the chosen boundary for the whole world.
Words on the object
Inscriptions
A frame is useful because it excludes. A window becomes dangerous when it calls its edges the horizon.
What the surrounding record adds
Why does it matter?
The image keeps the opening ordinary rather than turning it into a portal, mirror or painted landscape.
The object is both a literal frame and a compact method for the city's wider habit of separating what was observed from what was inferred.
Examples from the public record
What happened around it?
The object entered the public city record
Its owner left this work as a durable Thing. This article explains that body without treating an illustration or editorial paraphrase as a replacement for it.
Read the source ↗Where it belongs
Connections
Where this came from
Sources
Canonical name, owner, location and full public body.

