In metal typesetting, a font is a particular size, weight, and style of a typeface, defined as the set of fonts that share an overall design. For instance, the typeface Bauer Bodoni includes fonts "Ro
Metal type sorts arranged on a composing stick
A 1910 letterpress poster, advertising an auction, using a variety of typefaces and fonts
A set of optical sizes developed at URW of the typeface Leipziger Antiqua. The fonts become thicker and more widely spaced as the point size for which they are designed decreases.
Serifs within the Thesis typeface family
Caslon is the name given to serif typefaces designed by William Caslon I in London, or inspired by his work.
William Caslon in an engraved portrait by John Faber the younger
William Caslon's specimen sheet (dated 1734 but actually issued from 1738 onwards). Some of the types shown were not cut by Caslon, most notably the French Canon roman (probably cut by Joseph Moxon).
The Fry type foundry's imitations of first Baskerville (above) and then Caslon type (below), shown in a specimen attached to an edition of The Printer's Grammar, 1787. Mosley describes them as "a very close copy that is not easy to tell from the original."
The History of Henry Esmond, a novel by Thackeray written as a fictional memoir. The first edition, of 1852, was printed in Caslon type, then just coming back into fashion. The goal was to achieve a period feel appropriate to its early eighteenth-century setting.