A rusticated machine hall
The Machine Hall has a rusticated, block-coursed facade, two chimneys and a mature tree in front.
The questionIs that block coursing stone or a plaster imitation?
Investigate · Vienna 1873
Maschinenhalle Expo 1873
1 clue in this photo
Photo: György Klösz, Wiener Photographen-Association, † 4. Juni 1913 · Public domain · via Wikimedia Commons
Same kind of clue, elsewhere
Solid wall at the lower levelWhat is that masonry base, when was it laid, and did it carry an earlier structure?
Memorial Hall: stone at the openingMemorial Hall was always meant to stay, but what does that say about the 'temporary' halls standing beside it?
Tile and stone on the Beaux-Arts palaceWhich of these surfaces are plaster and which are fired tile or stone, and has anyone ever tested a fragment?
Caryatids on the Palace of Fine ArtsIf this palace had a brick core, how many of the others did too?
Rough-faced stone at the New York BuildingWhy put a heavy stone base under a building said to be temporary?
The Woman's Building on a stone-look baseWhat was this base made of, and what happened to it after the fair?