60 (A) John A. Roebling: Niagara Falls,
Suspension Bridge, 1852
60 (B) Thomas Hopper: London, Carlton House,
Conservatory, 1811-12
61 Robert Stephenson and Francis Thompson: Menai Strait, Britannia Bridge, 1845-50
62 (A) Grisart & Froehlicher: Paris, Galeries du Commerce et de l’Industrie,
section, 1838
62 (B) Robert Stephenson and Francis Thompson:
Derby, Trijunct Railway Station, 1839-41