Forty Centuries of Ink: Or, a Chronological Narrative Concerning Ink and Its Backgrounds, Introducing Incidental Observations and Deductions, Parallels of Time and Color Phenomena, Bibliography, Chemistry, Poetical Effusions, Citations, Anecdotes and Curiosa Together with Some Evidence Respecting the Evanescent Character of Most Inks of to-Day and an Epitome of Chemico-Legal Ink.

Published in 1904, 'Forty Centuries of Ink' by David Nunes Carvalho provides a comprehensive historical account of ink, tracing its evolution from ancient times to the modern era. The book discusses the manufacturing processes, chemical properties, and historical significance of various inks, while also highlighting the overlooked importance of ink in documenting history. Carvalho warns about the evanescent nature of contemporary inks and includes anecdotes, bibliographical references, and observations on color symbolism, making it a unique resource for understanding the role of ink in culture and documentation.