Wear experiments on Portland cement concrete
4 x 5 in. or smaller
- Date
- 1922
- Collection
- Harris & Ewing
- Archive
- Library of Congress (via Wikimedia Commons)
- Type
- photograph
- Original size
- 10,008 × 7,752 pixels
Public domainsafest
Reason: Harris & Ewing collection, given to the Library of Congress without copyright restrictions.
Read from: Commons licence category: PD-Harris-Ewing; no CC BY, CC BY-SA, GFDL or deletion tag on the file page; permission field: No known restrictions on publication. For more information, see Harris & Ewing Photographs - Rights and Restrictions Inf.
Credit line
"Wear experiments on Portland cement concrete" (1922). Harris & Ewing. Library of Congress, Prints and Photographs Division, via Wikimedia Commons. Public domain. https://commons.wikimedia.org/wiki/File:Wear_experiments_on_Portland_cement_concrete_LCCN2016891796.jpgNeed photos for a whole script? Add Find Any Photo to Claude and ask for this one by its id: 299865.
More like this
Bureau of Standards, testing concrete beams, 8/24/29
1929 · Library of Congress
Bureau of Standards testing. of rubber
1916–1917 · Library of Congress
D.W. Kessler, Bu. of Standards testing granite and marble, 5/13/25
1925 · Library of Congress
Testing amount of stretch in metals at Bu. of Standards
1925 · Library of Congress
Traffic paint undergoes rigid tests. Washington, D.C., April 16. At the U.S. Bureau of Standards, J.E. Keefauver of the Bureau has been running tests on the paint that is placed on safety zones and streets to determine which has the best wearing activity. The discs ? are painted with the traffic p
1937 · Library of Congress
Is marble elastic, you inquire? Yes, tests that the Bureau of Standards show that a specimen of marble when subjected to great pressure stretches or gives a certain degree without breaking. This photograph shows D.W. Keesler conducting the so-called flexture test with a machine while was designed fo
1926 · Library of Congress
E.E. Pressler, Bu. of Standards with dish breaking machine, 5/28/25
1925 · Library of Congress
Tire testing machine, Bureau of Standards, 1/14/21
1921 · Library of Congress