How enlarger work in dark room?

An enlarger in a darkroom functions by projecting an image from a negative onto photographic paper. It uses a light source, typically a bulb, to illuminate the negative, which is then focused through a lens to create a larger image on the paper below. The enlarger allows for adjustments in exposure time and image size, enabling photographers to control the final print. Once the image is projected, the paper is processed through a series of chemicals to reveal the photograph.