RESTORING OLD BLACK & WHITE PHOTOS

This is a 5-part tutorial:

When working with old black & white photos, always scan them in at the highest resolution that your scanner supports at thousands or millions of colors (i.e. as many colors as your scanner will provide) in RGB Color mode. Then, in Photoshop, convert to Grayscale (under the Image menu, select Mode > Grayscale) and resample the scan down to the image resolution you want (under Image menu, select Image Size).

For this tutorial, make the following changes to your Preferences: Under the File menu, scroll down to Preferences, and in the pop-up menu, select Display & Cursors. Under Painting Cursors, make sure Brush Size is selected: