Gumball machines are among the earliest coin-operated vending machines . The late Victorian Era tinkerers, coming up with every sort of device imaginable, developed gadgets in the 1880s that could dispense gum, breath mints, and candy, as well as pencils perfume , razor blades, and even toilet paper. Found in train stations, general stores, smoke shops, and pubs, these machines, constructed of wood and metal, were thought of as “silent...