Flashlight

It is believed that the main obstacle to the creation of compact portable electric lamp was the lack of dry batteries, that is simply of such batteries, from which nothing spills out, as they are not vertical. The fact that the first source of electric current was a tank filled with liquid electrolyte and therefore were not too mobile. So, arguing about the invention of the pocket flashlight, not to mention Carl Gassner, who first made and patented in 1886 the battery which did not leak.

The device, from which all the known kinds of electric lights were invented and patented, only 13 years later, in 1899 in USA by David Miselle, who the same year sold his patent to the company American Electrical Novelty and Manufacturing Company, founded by a native of Belarus Conrad Hubert (aka Akiba Horowitz). Lantern Mysella already had all the familiar, such as the lights Maglite, features. In fact, it was just a tube of cardboard. On one side it was mounted lamp with metal reflector and a lens. On the other hand, the tube had a cap that was loaded cylindrical batteries 3. In addition to the cardboard hull, a distinctive feature of the first lamp can be considered the original design of the switch: to light the lamp it was necessary to press the thumb of a metal ring fixed to the enclosure or to other metal parts — Hoop.