Whether a beautician, manicurist, cashier, cosmetician, waitress, maid or nurse, the 1930s were a time when women’s uniforms — and so, uniformity — were hip, or at least proscribed and expected. Uniforms were crisp, somewhat sexy and decidedly identifiable. Of course, uniforms are still in vogue as pieces of wearable branding. Some are more elaborate (and better made) than others and certain rules apply to how they’re worn. World War II, with women working in heavy industry,