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Public Domain Picture: Construction of the U.S. Capitol Dome

Courtesy: Architect of the Capitol
Views: 175 | Downloads: 6
Construction of the U.S. Capitol Dome
Public Domain Mark
This work, identified by, is free of known copyright restrictions.
Construction of the U.S. Capitol Dome
The U.S. Capitol Buildings's great cast-iron dome is an astonishing feat of architecture and engineering. It was the Capitol's second dome, the earlier wooden one was removed as a precaution against fire. The replacement dome was planned by Thomas U. Walter, the architect of the Capitol extension, whose design was influenced by classical European domes. Iron brackets embedded in five million pounds of brickwork laid on the old stone walls hold an outer ring of 36 columns (one every 10 degrees). Thirty-six curving iron trusses rise to the lantern and support both the inner dome and the outer skin. Work began in 1855 with the removal of the old wooden dome. In 1860, the New York foundry of Janes, Fowler, Kirtland & Company won the contract to finish the dome. At the outbreak of the Civil War the contractor was advised not to expect further payment but they decided to continue anyway. That decision inspired President Lincoln and others to see the dome as a sign that the nation would also continue. The last section of the Statue of Freedom was positioned on December 2, 1863, and the interior was finished in 1866. The dome's total cost was $1,047,291. For more information on the Capitol Dome, visit: This official Architect of the Capitol photograph is being made available for educational, scholarly, news or personal purposes (not advertising or any other commercial use). When any of these images is used the photographic credit line should read “Architect of the Capitol.” These images may not be used in any way that would imply endorsement by the Architect of the Capitol or the United States Congress of a product, service or point of view. For more information visit
Date Added:
April 15, 2014
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Size: 3000 x 2157
File size: 3.2 MB
File type: jpg
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Size: 958 x 689
File size: 178.9 KB
File type: jpg
Public Domain

Why is this picture in the Public Domain?

Produced by United States Government
The file available on this page is a work of the United States government. A work of the United States government, as defined by United States copyright law, is "a work prepared by an officer or employee of the U.S. government as part of that person's official duties." In general, under section 105 of the Copyright Act, such works are not entitled to domestic copyright protection under U.S. law.
Architect of the Capitol

Where is this picture from?

Architect of the Capitol (Flickr Photostream)
External Site: Architect of the Capitol
The Architect of the Capitol (AOC) is the builder and steward of America's Capitol, serving Congress and the Supreme Court, creating a home for American democracy. The AOC traces its beginnings to 1791. Today, the AOC is comprised of 2,600 employees who serve Congress and the Supreme Court in a vari
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The file available on this page in the Public Domain. Files in the public domain have no restrictions on use and may be used for any purpose, without any conditions, commercial or not, unless such conditions are required by law.
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