ISO 1073-2:1976
[Current]
Alphanumeric character sets for optical recognition — Part 2: Character set OCR-B — Shapes and dimensions of the printed image
...42 A special effort should be made in type design and
manufacturing to arrive at actual print that conforms as
closely as possible to the given line endings and corners...
...FORMER SIZE II WITH FORMER FONT DESIGN OF THE TEN DIGITS
This annex is not part of the standard; it is presented for information only...
...the ten digits in size I I and their existence
Those applications, initiated before 1976, may be considered as standard, as far as they conform to the specification, charts
and drawings given in the following pages...
