IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. It represents a very historic boiler ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...

Whether it takes the form of low-cost adjustments and calibration, targeted replacements within the system, or a more substantial retrofit project when large equipment has run its course, you almost ...