Quote Originally Posted by smieglitz View Post
Another way to increase the contrast with a regular film is to selenium tone the negative. I've made successful salt prints using Polaroid type 55 negatives toned for about 5 minutes in Kodak selenium toner diluted 1+3.
And I have done the same with standard B&W film -- but first a light bleaching to knock the shadows down a little, then selenium toning to bump up the highlights (wash in between).

Works best with negs that got sufficient, or even a little too much, exposure.