Color lithography | Gift

Color lithography

By Dennis Gaffney

Bill Lagattuta of the Tamarind Institute demonstrates a step in the lithography process to host Dan Elias.

The lithographic process is carried out on a large limestone slab.

The artist executes directly onto the stone the drawing he intends to print.

Prior to printing, lithotine is applied to the surface of the stone, creating a ghost-image of the artist's drawing, which ink will then adhere to.

Lithography's inventor, Alois Senefelder, was originally a Munich writer who had little success finding a publisher. He considered self-publishing, but engraving his books was beyond his means. One day, so the story goes, Senefelder picked up a grease pencil and wrote a laundry list on a piece of Bavarian limestone. And that act inspired the discovery of flat-surface printing—or lithography—in 1796, the first major printing innovation since the development of relief printing in the 15th century.

You've heard of lithography. But do you know how it's done? Here's a primer on this versatile art form

When ANTIQUES ROADSHOW visited Albuquerque, Bill Lagattuta, shop manager of the Tamarind Institute, a fine-art lithography center, showed the lithography process to ANTIQUES ROADSHOW host Dan Elias.

"In lithography, everything happens on the surface, " Bill explains. "The principle behind it is that water and grease don't mix. In an etching or woodcarving you cut away the surface, but in lithography it's a chemical reaction that produces the image." Senefelder himself preferred to call lithography "chemical printing."

The Stone
In lithography, the artist's canvas is a blank, flat piece of limestone. "It's like drawing on the most beautiful piece of paper you ever saw, " Dan says. Artists usually prefer limestone over metal plates or plastic ones, which are more common in commercial lithography. "Stone is a lot more versatile than metal plates, " says Bill, who notes that with stone, artists can "scratch back" into an image to create lines and textures. "Limestone also has a much greater tonal range." Bill says that the limestone of choice still comes from the same Bavarian quarry that Senefelder got his limestone from over 200 years ago. "The Bavarian limestone just doesn't have as many fossils or other imperfections, " Bill says.

Another advantage of limestone is that it can be ground down to a clean surface and reused repeatedly. "We have stones that are close to 100 years old, " Bill says. Because new stones are so expensive—a 24-inch by 30-inch stone can cost several thousand dollars to purchase and ship—Bill says printers often buy used stones from each other at a discount.

The Drawing
Artists have long been enamored with lithography because it's a painterly process that produces painting-like results. Artists draw their designs on the stone with litho crayons or a greasy black ink called tuscheboth familiar cousins to the pencils, chalk and brushes other artists traditionally use, and in lithography the tools mimic the lines of a pencil, pen, crayon, or brush.

"Etching and woodcuts feel much more stiff and static, " says Bill. "The lithographic process seems to suit painters well because it's more fluid and spontaneous." Dan Elias puts it this way: "If you take a brush full of ink and splash it on a stone, that's what you'll get in the finished print."

In the mid-1800s, lithography attracted the talents of artists working in France, such as Francisco de Goya, Theodore Gericault, Eugene Delacroix, and Honore Daumier. In the United States around the same time, the now-famous firm of Currier & Ives began selling commercial lithographs.

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Source: www.pbs.org
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