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 ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This toy beam engine was made by an ...
Recently developed MarulaLED CoolTube technology is a product line of light engines, designed for integration into OEM luminaires. The new light engines offer users the ability to control color ...
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