This article was originally published with the title “ Combined Lightning Arrester, Fuse Box, and Insulator ” in Scientific American Magazine Vol. 96 No. 23 (June 1907), p. 476 doi:10.1038 ...

The insulator is also available in different sizes so you can fit tall cans for larger drinks or slim cans for seltzers. The standard 12-ounce Colster I tested fit normal beer and soda cans perfectly.