making a contact/proof sheet...

1. You can have the safelight on when making a Black&White contact print
   
2. using an enlarger, adjust the height of the enlarger so that the light will cover an entire sheet of paper (all of your negatives).
3. Place the paper on the countertop, depending on where your light source is located.
4. Put the negatives, emulsion side down, on the paper, the strips should not overlap, but be butted against each other in your clearfile.
5. Place a sheet of glass over the negatives, pressing them against the paper.
6. Expose the paper to light. You will need to make a test strip to know how much light is required (see post below for directions and example).
   
7. Develop the print, when it you have established the correct exposure, wash and dry the print.