In the course of building investigation, we see a lot of details that are no longer used. From time to time, we’ll post one here.
Cast iron columns were to some extent mass-produced, but the casting process allowed for easy customization. In the picture below, the beam seat that is cast integrally with the square column embedded in the wall has to support beams of two different depths. The seat was cast as a split-level, creating an elegant one-piece solution.
The round thing just above the beams is the column splice, consisting of round end plates cast integrally with the columns and field-bolted together.