Dutert, Galerie des Machines, Paris, France [1889] - perspective
 Dutert, Galerie des Machines, Paris, France [1889] - interior
 Gustave Eiffel, Garabit Viaduct, Thuyere River, France [1884] 
 Gustave Eiffel, Garabit Viaduct, Thuyere River, France [1884] - detail
 Richard Rogers, PAT Center - detail
 Richard Rogers, PAT Center - detail 
 Albert Kahn, Whessoe Workshop - portal frame detail
 R. Piano & R. Rogers, Centre Pompidou, Paris, France - connection detail
 
 foundations, footing attatchment to steel & wood - section detail
 foundations,
adjustments for anchor bolts - section detail
 typical truss - open web joints
 steel joist truss - perspective
 Santiago Calatrava, Bach de Roda Bridge, Barcelona, Spain [1987] 
 Santiago Calatrava, Bach de Roda Bridge, Barcelona, Spain [1987] - night view
 Santiago Calatrava, Bach de Roda Bridge, Barcelona, Spain [1987]  - detail
 Robert Maillart, Arve Bridge, Vessy, Switzerland [1936]
 Robert Maillart, Arve Bridge, Vessy, Switzerland [1936] - sections
 Robert Maillart, Arve Bridge, Vessy, Switzerland [1936] - abutment hinge
 Robert Maillart, Arve Bridge, Vessy, Switzerland [1936] - vertex hinge