CHAPTER XXII.

First efforts in engraving on wood—Progress—Difficulties to 237–244 contend with—Albert Durer—His cross-hatching and drawings on the wood—Printing from two or three blocks—Artists of the present day—Improved methods of Printing wood blocks—Attempt at colour on the wood—Lowering the back-ground—Stronger lines left to protect the cut—A delicate _fac_ known to have printed above 900,000 impressions