reading the signal…
Signals / Object / Mapped places
in Dortmund, NW·counted·200 all time
A copper-and-zinc metal, commonly appearing golden yellow with a warm shine.
Counted, not streamed: Brass Material has no time series, so it is read as a footprint across places. All-time count by city.
Things that physically exist: street furniture, signs, buildings. All-time counts.