Saturday, December 21 is the shortest day of the year so we thought it would be a good time to appreciate the history of light bulbs. We walk into a dark room and flick a light switch and don’t think ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. In the late 1920s and early 1930s, ...
“Efficiency” continues to be the buzzword in the lighting industry, and as its use continues to grow, the lamps used to meet its demands continue to get smaller. The smaller-is-better trend has been ...