Six Lectures on Light: Delivered in America in 1872-1873
x, 244pp; tissue guarded frontispiece. Purple cloth-covered boards; blind embossed borders on boards, gilt titles on spine; black endpapers; some engravings. 12mo. Sun-faded spine, lightly rubbed spine ends, cloth wearing, minor loss at head and on spine. Wear to boards. Top text block edge dusty, remaining edges tanning. Page margins tanning. Previous owner's name on half-title page. Internally neat, clean and tight.