1857. 470 pages. No dust jacket. Brown cloth. Contains black and white illustrations. A series of popular and scientific essays. Moderate tanning, with light foxing and marking to pages. Heavy tanning to text block edges. Heavy rub-marking and tanning to pastedowns and endpapers with water marks. Frontispiece has been repaired. Boards have moderate shelf wear, with rubbing and marking. Light bumping to corners and crushing to spine ends. Binding remains firm. with heavy tanning overall. Boards are slightly bowed. Some dents around edges.