Putting on lipstick is a tricky business. You've got to blot, do the thing where you mush your lips together and sometimes even then it bleeds and makes you look like Bozo the Clown. PopSci was happy to step in and help its female readers keep from being recruited by Ringling Brothers by suggesting they just make a stencil. Then they wouldn't have to worry about such rudimentary things as coloring inside the lines.
In fact, we thought this was such a great idea that we suggested it not just once, but twice. Once in 1925 and once in 1938.
Read the full stories in Stencil Makes Bow Lips and Stencil For Lipstick.