's Speculum Humanoe Salvationes, printed at Haarlem, 1440, has engravings on wood printed in different color from the body of the work.
Fust and Shoeffer's Psalter, 1457, had initial letters and flourished lines printed in two colors, red and blue.
The art soon became common, and towards the end of the fifteenth century imitations of pen-andink sketches on a colored ground were made by celebrated artists.
This was followed by drawings on blocks in regular sets for separate colors.
Albert Durer engraved such blocks; Parmigiano, Titian, and Raffaelle made designs on blocks for the purpose.
Jackson started a paper-hanging factory at Chelsea, England, 1720 – 1754, the designs being printed in oil by wooden blocks.
He appears to have been unsuccessful in some details and in the speculation.
The art was adopted and improved by a succession of persons in England and elsewhere; Skippe and Savage of the former, and Gubitz of Berlin, adding considerably to the eminence already att
mes as may be necessary.
The wall of wax is then removed, the surface of the plate cleaned with turpentine, and the plate is sent to the printer for a proof of the etching, which is complete.
It may be finished by a graver to give it more effectiveness, but it then partakes of the character of a line engraving.
Etching is all accomplished by the point and acid.
The art is believed to have originated in Germany, judging by its name etzen; but the earliest known practitioners were Albert Durer, a German, and Agostino Veneziano and Parmegiano, Italians.
These were contemporaries.
Etching on soft ground is in imitation of chalk or pencil drawing, but has been abandoned since lithography has attained excellence.
The soft ground is made by adding one part of hog's lard to three parts etching ground (see ground), which is laid on the plate with the dabber in the usual way. A piece of smooth writing-paper, having the design in outline, is damped and stretched over the plate.
stablished the art in that country.
Casting glass was invented by Theraut, a Frenchman, in 1688, and was introduced in England, at Prescott, in 1773.
The art of coloring glass was well understood in ancient Egypt, as we observed in reference to the imitation of glass.
Stained glass was originally a mosaic, made up of different pieces, arranged, according to color, to form a design.
About 1500, a French artist at Marseilles incorporated colors with the glass, which were baked in. Albert Durer practiced the art.
Thickness and Weight per Square Foot.
A scaffold for carpenters, painters, or cleaners, enabling them to reach the outside of the window.
The frame has pivoted brace-bars to rest against the outside of the house, and hold-fasts hinged to an adjustable block; these re