1872. Third Edition. 494 pages. No dust jacket. Blue cloth with gilt lettering. Library copy, with expected inserts and inscriptions. Pages remain bright and clear with minimal tanning and foxing. Hinges are cracked with exposed netting. Binding is slightly weakened but remains firm. Slight tear to margin of final Contents page with text unaffected. Boards have heavy edge-wear with bumping to corners, crushing to spine ends and rub wear all over. Some bubbling to cloth due to water damage. Heavy fraying to cloth at spine ends, including prominent tear to cloth near head of spine. Gilt lettering is slightly darkened. Sunning to boards.