[71] Allardyce, p. 74.
[72] There are exceptions, as in the case of works which have a settled style of their own.
FIGURES AND NUMERALS
IN ARABIC OR ROMAN
Do not mix old-style and new-face figures in the same book without special directions.
Nineteenth century, not 19th century.
Figures to be used when the matter consists of a sequence of stated quantities, particulars of age, &c.
Example: ‘Figures for September show the supply to have been 85,690 tons, a decrease on the month of 57 tons. For the past twelve months there is a net increase of 5 tons.’
‘The smallest tenor suitable for ten bells is D flat, of 5 feet diameter and 42 cwt.’