darkroom equipment 
Material required to process film and to print photographs in a darkened room.
Lightproof container used during the various stages of processing an exposed film to obtain a negative.
Container used to hold the reel and the products required (developer, stop bath, fixer) for each of the processing steps.
Holder on which the film is wound; it prevents the film from sticking together and ensures uniform distribution of the processing products.
Lightproof tank cover with an opening through which film processing products are added and removed.
Removable watertight cover allowing film processing products to be mixed in a tank.