The No.2 Brownie is a simple box camera with a very dependable shutter. It has two sliding mechanisms on the top, one for a bulb, or time setting, and the other for a choice of 3 apertures. It also has two small reflecting finders for vertical or horizontal shots. It uses 116 film; with some ingenuity it can be converted to use commonly available 120 film:

http://www.brownie-camera.com/articles/petelutz/use-120-film-in-116-616-camera.shtml

This is a Model E, dating from 1919-1924. For more details see here:

https://www.photothinking.com/201711118kodak-no-2-brownie-model-e-photographing-outside-of-the-box/