In the brewhouse between the preheating tank and kettle room. The spiral staircase goes into a kettle annex where a few smaller stainless steel kettles hide. If you looked right from this frame you would see the bottom of one of the kettles like the bottom of a steel mixing bowl.
In a strange loft next to the brewhouse are these twin kettles, which seem much older than the main kettles in the brewhouse.
A brewmaster’s desk leans beside a long-disused stainless steel kettle. The staircase above goes to another level of kettles, which are visibly older.