https://gwern.net/doc/history/2007-keeley.pdf
End of page 62 and all of 63 - looks like a "screened" baffled gate.
"Titulum" is the name of that specific wall.
Crowdsource your search for the name of that thing.
Related Communities: https://lemmy.ml/c/helpmefind https://lemmy.ml/c/tipofmyjoystick
https://gwern.net/doc/history/2007-keeley.pdf
End of page 62 and all of 63 - looks like a "screened" baffled gate.
"Titulum" is the name of that specific wall.