7.4 × 10.5 cm. A8. 5.2 × 7.4 cm. A9. 3.7 × 5.2 cm. A10. 2.6 × 3.7 cm. The most widely used paper size and format, the A series papers are most used for office stationery, business publications, as well as communication and promotional materials. It consists of a logical set of paper sizes that are defined by the International Standard forThe LNER A1 and A3 Gresley Pacifics. Gresley is most famous for his LNER Pacifics. Although they reached their peak with the streamlined A4 s, this famous line of ' racehorses ' began with the A1 Pacifics. The first two A1 Pacifics were built in the twilight years of the Great Northern Railway (GNR) and entered service in 1922.
A3+ Paper. A3+ paper size is often referred to as Super A3 but unlike standard A3, it not an ISO 216 paper size. There are many purposes for A3+ paper with common uses being for graphic design, architecture and for proofing. Because the A3+ size is slightly larger than A3, it allows users to print a full A3 page, with room for annotations and
OP0B.