ASSU Illustration 3261 Woodblock for printing an illustration of an ape, possibly a chimpanzee. Chimpanzees. Mammals. Animals. Block numbered in two places: 3261. Image of a chimpanzee holding onto a branch in a natural setting. Illustration appears in The Union spelling book (Philadelphia, 1838), p.7. American Sunday-School Union, former owner. [1838?] Wood blocks (Printing blocks) Wood engraving (Process) End-grain blocks. 1 wood block ; 4.0 x 5.1 x 2.3 cm. digitool:85722 ASSU Woodblocks -- Box 3