Sunday, March 11, 2012

Podcast #6: The Gutenberg Press | 1450 AD

What is Johannes Gutenberg credited with?
-the technology of printing with movable type

Post a photo of the Gutenberg Press.
How did the printing press work? 
-hand press in which ink was rolled over a raised surface of movable hand-set block letters held within a wooden form

What motivated Gutenberg to find a better way of creating books?
-watching his father work at the goldsmith and jewlers and his love of reading

Why did Gutenberg experiment with metal type versus wood type?
-woodcuts were not durable

Post an example of movable type in a type case.
What is moveable type?
-the system of printing that uses movable components to reproduce the elements of a document

What is a matrix?
-a mold that can be reused so the same character appearing anywhere within the book will appear very uniform

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?
-wood pulp
-China; spread throughout asia

What is a "substrate"?
-the material or substance on which an enzyme acts

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

What was the first book he printed?
-the bible
Post an example of this book.


How did the Gutenberg Press impact communication?
It perfected script and made it easier to read; books were made more rapidly; current information could be shared locally and around the world; the cost of books decreased allowing more people to buy them; the demand grew and the population became more literate; people wanted books written in their own language and a greater variety of books; book trade began to flourish, as well as industries, such as paper-making; economies became stronger; art and science began to flourish, which led to the beginning of the Renaissance.

Who introduced the printing press to England?
In 1476, William Caxton produced the first book in English and introduced the printing press to England.

What was the early form of newspapers?
By 1525, trade newsletters began to develop as an early form of newspapers.

When was the first news weekly published? What was it called?
In 1704, the first American news weekly, The Boston Letter, begins publication by John Campbell in Boston, Massachusetts.

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

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 number of books that were being made

Which printing process is the Gutenberg press an example of? Briefly describe the process?
Relief printing - it is the oldest method of printing. It occurs when movable type is placed into the press. Ink is spread onto the type. Paper is placed on top. The press applied the direct pressure needed to transfer the ink to the paper.

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 the ink. Ink is applied, then rubbed with a cloth to remove the excess

Post an example of a screen (porous) printing press.

What is porous printing and how is ink transferred?
It is a basic stencil process. The image carrier is attached to a screen. Ink is forced through open mesh areas. Screen printing is an example of this process. Accounts for a comparatively small volume of printing industry. Heavy lay down of ink so strong colors can be obtained making it suitable for posters, signs, and shirts.

Post an example of a lithography printing press.

What is lithography and how is ink transferred?
It is printing from a flat surface. It is based on the concept that oil and water do not readily mix. Drawing, or artwork, is made on the plate with greasy ink or crayon. Water is applied. 

Post an example of a offset lithography printing press.

What variation of lithography is used by the commercial printing industry today?
Offset lithography

How do printing presses used today compare to the Gutenberg Press?
They are all similar because they are all based off of the Gutenberg Press. However, they are faster and more high tech nowadays.

Describe four-color process printing using CMYK?
CMYK (Cyan, Magenta, Yellow, Black) is a subtractive color model, used in color printing, and is also used to describe the printing process itself.

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