Where the image of a particular postcard has a catalogue number
( Example
- D09-211042-00 ) the card may be available for purchase. P&P UK on up to 5 standard
postcards 50 pence - Overseas by weight.
Lithography Printing - Lithograph Postcards - Lithographic Post Cards -
AKA Litho.
Lithography - from Greek 'lithos', "stone" and 'graphο', "to
write"
Lithography is a modernised method for printing using a metal plate
with a completely smooth surface. Lithography uses oil or fat and gum arabic
to divide the smooth surface into regions of the plate which accept the ink,
known as hydrophobic (water fearing) areas and hydrophilic (water loving) regions
which reject it - which becomes the background. By contrast, in intaglio printing
a plate is engraved, etched or stippled to make cavities to contain the printing
ink, and in woodblock printing and letterpress ink is applied to the raised surfaces
of letters or images.
Lithographic Printing was invented by a Bavarian author Alois Senefelder in
1796 and it can be used to print text or artwork onto paper or another suitable
material. Most books, indeed all types of high-volume text, are now printed using
offset lithography, the most common form of printing production. The word "lithography" also
refers to photolithography, a micro fabrication technique used to make integrated
circuits and micro electromechanical systems, although those techniques have
more in common with etching than with lithography.
High-volume lithography is used today to produce postcards, as well as posters,
maps, books, newspapers, and packaging — just about any smooth, mass-produced
item with print and graphics on it. Most books, indeed all types of high-volume
text, are now mostly printed using offset lithography.
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