Spaces. Spaces are short blank types and are used to separate one word from another. To enable a compositor to space evenly and to "justify" properly, these spaces are cast to various thicknesses. An em quadrat is a short blank type, in thickness equal to the letter m of the font to which it belongs. Quadrats are of various sizes.
Calendered Paper. This name is given to very highly rolled or glazed paper such as is used in illustrated work. Laid paper has a slightly ribbed surface. Antique paper is rough and usually untrimmed at the edges. It is made in imitation of old styles.
Caps. and Lower-case. These names are used to designate capitals and small letters.
Clarendon. This name is commonly given to a bold and black-faced type, such as used in text-books to bring out prominently particular words.
Dummy. An imitation in style and size of a book or pamphlet that is wanted, usually made up with blank paper.
Electrotype. Electrotype or stereotype plates are made from type. Books are usually printed from such plates.
Galley Proof. As the type is set up it is removed from the composing-stick to long forms called galleys. A proof taken of the whole galley at once is called a galley proof. Book work should be revised in galleys before it is made up into pages.
Impression. A flat-pull or first impression is a simple proof usually pulled in job offices by laying a sheet of damp paper on the inked type and pounding with a flat-surfaced weight to get the impression.
Indent. To set a line some distance forward, as in the case of a new paragraph.
Letterpress. Printed matter from type as distinguished from plate printing.