363
Twelve pages in one chase
TWELVE PAGES AND THEIR DUPLICATES 6
8
5
mm,,,,,,,
jiiii
MIMMII
t
6
i
12
i
+
Scheme 30 is an 8vo with an added 4-page inset, within which octavo part this inset can be folded by the same operation, or can be cut D off for a separate folding and subsequent in-
01
-
8
sertion.
ii
_
2
made
i
The sheet
perfect
is
on the
second side by turning it on the long cross-bar 1
of the chase. 1
"
""""J
30
Twelve pages Turns on long cross. in
one
Pages
5, 8, 7,
6 are
chase.
of ten called the off cut, because in old methods of imposition they were cut
and separately folded to be inserted as an inset between pages 4 and 9. By this old method the running title and its folio figure were always placed This treatment, at the tail of pages 4, 9, 10, 3. unavoidable on rough paper, often produced uneven head margins and a crooked inset. This fault can off
1 In presswork the first side of the sheet is laid up to guides the second against edges AB ;
To get correct register by feeding, the sheet should be trimmed accurately square on all sides. If the paper is crooked or if it is handside, against
edges BD.
made with rough
edges, points
should be inserted on the first side, as marked in scheme, for its repointing on second side. The black dots in Scheme 30 mark the usual place of points for hand-press the +, the place ;
of points for cylinder.