Wednesday, February 29, 2012

The Gutenberg Press | 1450 AD

What is Johannes Gutenberg credited with?
The technology of printing with moveable type.



Post a photo of the Gutenberg Press.
How did the printing press work?
Ink was rolled over the raised surface of movable hand-set block letters held within a wooden form and then the form was pressed against a sheet of paper.



What motivated Gutenberg to find a better way of creating books?
He loved reading; he also loved spending time with his father (a goldsmith) and jewelers.



Why did Gutenberg experiment with metal type versus wood type?
The wood cuts were not durable enough to go through repeated processes.



Post an example of movable type in a type case.
What is moveable type?
Moveable type is the system of printing that uses movable components to reproduce the elements of a document (usually individual letters and punctuation).



What is a matrix?
The hard metal punch hammered into a softer copper bar, used to keep the letters.



What ink did Gutenberg develop that he used specifically for the printing press?
Oil-based ink.



What is paper made from? Where did paper originate?
From 105 AD from Ts'ai Lun. The paper was made from wood pulp.



Who did Gutenberg seek to help with the invention of the press? Close to the end of the 5 years, what happened? 

John Fust, a wealthy businessman. Gutenberg was sued by Fust after 5 years. Gutenberg had to give him  the press, tools, materials, and the 180 Bibles he made with the press in those 5 years.


What was the first book he printed? Post an example of this book.
The Bible.






How did the Gutenberg Press impact communication?
More books are being printed, thus furthering the spread of literacy and Christianity, and current information was easier to read and spread around the world.



Who introduced the printing press to England?
William Caxton.



What was the early form of newspapers?
Trade newsletters became early forms of newspapers.



When was the first news weekly published? What was it called?
In 1704, The Boston Letter was the first weekly paper.



What kind of press was built in the US in the mid 1800s?
The steam powered rotary press was invented in 1843. 


Post an example of a 1930s printing press.
By the late 1930s, presses had increased in efficiency and were capable of 2,500 to 3,500 impressions per hour. What is meant by "impression"?
The letters "impressing" themselves onto the paper.





Which printing process is the Gutenberg press an example of? Briefly describe the process?Relief printing, the ink is spread across the letters, the paper is then placed and pressed on the paper.


Intaglio Press
Screen (porous) Press
Post an example of an intaglio press.
What is intaglio printing and how is ink transferred?
The image area is etched into the plate surface to hold ink, then damp paper is placed on top, add pressure, and then the ink is transferred to the paper.

Post an example of a screen (porous) printing press.
What is porous printing and how is ink transferred?



Lithography Press
The image carrier is attached to a screen and then the ink is forced through open mesh areas.


Post an example of a lithography printing press.
What is lithography and how is ink transferred?


Drawings or artwork is made on a plate with greasy ink or crayon; then the ink is spread on top, the greasy parts accept the ink.


How do printing presses used today compare to the Gutenberg Press?


The presses used today are faster, cheaper and can do more than just letters on paper.


Describe four-color process printing using CMYK?
Different color ink (cyan, magenta, yellow, and black) can make many colors, when mixed correctly. This color process is best for printing because it uses ink, not light like the Internet. 



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