Six vignettes (with capital letters T or O): an open book with closed books (T); bunch of wild flowers (O); a seated Zouave holding a gun (O); two soldiers (T); a messenger on horseback (T); a boy asleep on the grass (T). Wood engraving by H. Linton.

Licence: Public Domain Mark

Credit: Six vignettes (with capital letters T or O): an open book with closed books (T); bunch of wild flowers (O); a seated Zouave holding a gun (O); two soldiers (T); a messenger on horseback (T); a boy asleep on the grass (T). Wood engraving by H. Linton. Wellcome Collection. Source: Wellcome Collection.