You'll feel some slight bumps. Apply the appropriate stain to the wood with a brush or paper towel. Let it set a few minutes and wipe the excess off with paper towels. Let the stain dry overnight. The next day apply another sealer coat, let it dry.
Tack rag again.
If the color is right, go on to the next step, otherwise you can apply a second coat of stain, either the same color or another as needed, then add another sealer coat, sand, and tack rag. It's important to add the shellac coat in between the layers of stain, otherwise the solvent in the new layer of stain will start to dissolve the lower coat and you will be wiping that away along with the excess new stain. Once you get the color right, give the surface one last sealer coat, sand, and tack rag, and you're ready for the finish. Spray lacquer is somewhat difficult to find, but was the finish used on almost every wood radio made. The hardest finish is obtained with gloss lacquer.