This task is reading a paragraph and determining if it has proper nouns in it or not. A proper noun is a noun that designates a particular being or thing, does not take a limiting modifier, and is usually capitalized in English. The answer is true if at least one proper noun is present in the sentence, false otherwise.

The earliest book printed with movable type, the aforesaid Gutenberg Bible, is printed in letters which are an exact imitation
True

are dazzling and unpleasant to the eye owing to the clumsy thickening and vulgar thinning of the lines:
False

Now, as all books not primarily intended as picture-books consist principally of types composed to form letterpress,

False