David Nunes Carvalho

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...