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The letterpress printing process remained virtually unchanged until the 1950s when it was replaced with the more efficient and commercially viable offset printing process. The labor-intensive nature of the typesetting and need to store vast amounts of lead or wooden type resulted in the letterpress printing process falling out of favour.
A locked-up forme for printing a single page Main article: letterpress printing In typesetting , a forme (or form) is imposed by a stoneman working on a flat imposition stone when he assembles the loose components of a page (or number of simultaneously printed pages) into a locked arrangement, inside a chase , ready for printing.
A Ludlow Typograph is a hot metal typesetting system used in letterpress printing. The device casts bars, or slugs of type, out of type metal primarily consisting of lead. These slugs are used for the actual printing, and then are melted down and recycled on the spot. It was used to print large-type material such as newspaper headlines or posters.
A single-page "forme" for printing the front page of the New Testament of the Christian Bible. The black frame surrounding it is the "chase"; the pieces of wood are the "furniture", and the two objects each on the bottom and left side are the "quoins". A chase is a heavy steel frame used to hold type in a letterpress. [1]
The design of fonts for letterpress printing needs to be adjusted for this technique. The reason is that the type is printed with some force on the paper, pressing the ink on the type out to the edges of the letter. The center of the character is accordingly printed a bit lighter than the edges. This results in what is called a "bead edge".
Woodblock printing had been known in China for centuries. It was innovations in type casting that made for Gutenberg's breakthrough of commercially printing. [1] Although using matrices was a technique known well before his time, Johannes Gutenberg adapted their use to a conveniently adjustable hand mould, enabling one to easily and accurately cast identical multiple instances of any character.
The size of the point has varied throughout printing's history. Since the 18th century, the size of a point has been between 0.18 and 0.4 millimeters . Following the advent of desktop publishing in the 1980s and 1990s, digital printing has largely supplanted the letterpress printing and has established the desktop publishing ( DTP ) point as ...
A platen (or platten) is a platform with a variety of roles in printing or manufacturing. It can be a flat metal (or earlier, wooden) plate pressed against a medium (such as paper) to cause an impression in letterpress printing. [1] Platen may also refer to a typewriter roller which friction-feeds paper into position below the typebars or print ...