Four volume set in matching antique leather with gilt lettering and decorative tooling, Ex libris John Spicer. Each volume contains folded engraved plates (Vol 1 has 12, Vol 2 has 19, Vol 3 has 20, and Vol 4 has 14), all in very good condition with minimal to no spotting or browning. Hinges fragile but intact on each volume (very fragile on Vol 4), spines worn. A few pages with marginalia in pencil, a few pages with spotting or browning, else very good condition. Fourth edition corrected.