Among science’s most sacred relics are the standard “meter bars” of platinum-iridium that lie in an underground shrine at Sèvres, near Paris. Replacing a babel of medieval units, they originated in ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. overall: 2.3 cm x 2.4 cm x 102.9 cm; ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results