342
Furniture for marginal space
In ordinary forms of half -sheet presswork, page 2 put in an opposite corner or in a contrary direc-
is
tion will first
from page 1, so that the backing of the sheet bring page 2 on the back of page 1 and the folding of the sheet at a right angle will bring ;
3 opposite 2 and the last cross-fold will bring page 9 opposite 8. That done, all intermediate pages are in order. The even page will back an odd page j
when the odd page
sheet has been turned, and the following will face the even page when another
regular fold has been made. This repeated crossfolding of the sheet brings the innermost pages within the interior of the section, so that the last
four leaves will be mates of the first four leaves. In every imposition, whether in the " usual way n or "
from the centre," long fold or cross fold, the pages must occupy the same relative position one to another, however peculiar the scheme or however large the
number
of pages in the form. 1
1 It is to be supposed that a diagram has been previously given to the maker-up to define the shape of the page and to specify the width of the margins about the pages. This diagram sheet should be prepared in the office or by the foreman before the pages are made up. To require the stoneman or the maker-up to cut furniture and determine margins will be found wasteful of time and productive
of error. The furniture should be selected before the pages are laid. The only pieces that can-
not be accurately measured or specified on the diagram are the thin pieces nearest to the crossbars, which will be of varying width to suit the variable thick ness of the cross-bars. The headbolts and thin cross-bar pieces can be put in their places af terward. A sheet of the paper to be printed should also be furnished to the stoneman. The proper ad-
justmentof margins by this sheet has been illustrated on pages 299, Ex303, and 304 of this book. actness in measurement by this sheet is of great importance.