Octagonal ventilator grille at the top of the cooling-room dome at Nevill's Turkish baths and Head Office at Northumberland Avenue.
The grille allowed hot air from the room to escape while ducted fresh air entered through openings in each of the window ledges.
Sholem Wiseman, Doug Garrod, and Pell Frischmann plc
© Malcolm Shifrin, 1991-2023