Expansion joint on bridge

 

National Expansion Memorial Park, St. Louis, Missouri, USA

Overhead roadway expansion joint

Overhead roadway expansion joint

Old Courthouse St. Louis Missouri USA

The American West, ca.1885

 

 

 

 

Construction cranes fill a London skyline.

On the Southern Plains 1907 Frederic Remington (1861-1909/American) Oil on canvas Metropolitan Museum of Art, New York

China, Hong Kong

Foam expansion tube doggy.

Pony Express American History

American Progress c. 1872 John Gast (1870s/American) Oil on canvas

Across the Continent: "Westward the Course of Empire Takes Its Way" 1868 Currier & Ives (1834-1907 American) Lithograph

Westward Ho! (Early Overland Transportation, 1840's) Oscar Edward Berninghaus (1874-1952 American)

USA, Missouri, Saint Louis, Old Court House and Gateway Arch

USA, Missouri, Saint Louis, Old Court House and Gateway Arch

USA, Missouri, St. Louis, Gateway Arch, low angle view

PCI Computer Expansion Card

Completion of the first transcontinental railroad Promontory Utah USA 1869