It is first strained tightly upon a frame, then washed with a thin glue; when dry it is painted with a coat of oil colour, made of white lead, red lead, and linseed oil and turpentine, and afterwards with a second coat in which the red lead is omitted, and sugar of lead substituted. It is not particular what tint it is of, provided it is rather light than dark. Portrait painters choose a very thin priming, and many modern artists do not prime their cloths at all.,