David Nunes Carvalho

David Nunes Carvalho
David Nunes Carvalho was a 19th-century American writer and expert on handwriting analysis, particularly in the context of forgery detection. He authored the influential book "Forty Centuries of Ink" (1904), which explored the history and chemistry of ink, as well as the forensic use of ink in detecting fraudulent documents. Carvalho was frequently called upon as an expert witness in court cases involving document forgery and ink analysis. His work laid the foundation for modern forensic document examination, blending historical scholarship with practical applications in law.

Author's Books:


CHAPTER XII. STUDY OF INK. LACK OF INTEREST AS TO THE COMPOSITION OF INK DURING PART OF THE EIGHTEENTH CENTURY—THE CONDITIONS WHICH THEN PREVAILED NEARLY THE SAME AS THE PRESENT TIME—CHEMISTRY OF INK NOT UNDERSTOOD— THIS LACK OF INFORMATION NOT CONFINED TO ANY PARTICULAR COUNTRY—LEWIS, IN 1765, BEGINS A SCIENTIFIC INVESTIGATION ON THE SUBJECT OF INKS —THE RESULTS AND HIS CONCLUSIONS PUBLISHED... more...