Factories started using uranium to color glass in the 1800s, and after a 15-year stint where production halted around World ...

This article was originally published with the title “How Common Window Glass is Made” in Scientific American Magazine Vol. 20 No. 8 (February 1869), p. 114 doi:10.1038 ...

Depression glass values vary widely depending on the pattern (design) of the piece, the style (candy dishes aren't rare at all, for example), the condition it's in, how rare it is, and of course, the ...

Most of the time, you'll want to look for Depression glass that comes in colors that were much less common, like those that are amethyst, blue/aqua, yellow/canary, and uranium.