On the other hand, an electric discharge lamp using mercury vapour was shown to contain strong yellow, green and blue elements—with the result that coloured papers show up quite well by this light.

Water lamps, chandeliers ... heart-shaped and leaf-shaped." "Traditional electric coloured LED bulb light strips and light trees ranging from two to seven feet are trending, while models of ...

A genuine lamp should be stamped with Tiffany Studios New York. Almost any leaded lampshade made with coloured glass now is called a “Tiffany” . They come in and out of fashion and were ...

IT is claimed in the G.E.C. Journalof February that during last year very satisfactory progress was made in developing various types of technique for improving electric discharge lamps.