Improvements in and relating to duplicating or manifolding books

摘要

535,605. Duplicating-books. LAMSON PARAGON SUPPLY CO., Ltd., and RAINEY, E. J. May 15, 1940, No. 8701. [Class 16] A duplicating-book consists of paper strips 4 bound at one edge A, each strip being scored to provide two originals and two duplicates, each original with its duplicate being torn out as a pair. The book having two carbon sheets 10, 11 each extending over a part only of the book. The carbon sheets are secured at opposite ends or sides or on the same side of the book. Each strip is scored at 6 ... 9 and is folded at 8 and, when in use, is also first folded at 9 for use with sheet 11 and then folded at 7 for use with sheet 10. Printed matter on the two originals is applied on opposite sides of each strip.