Correspondence from John Ferreri, transmitting a biography of Abel Bowen. Also included is a paper and slide deck "Three Men and Their Contributions to Banknote Security Engraving."
Five UK patents, nos. 4404, 4419, 4521, 4642, and 4898, dated 1819-1824, issued to Sir William Congreve. Photocopies provided to Eric Newman by C. John Ferreri.
