1872. No Edition Remarks. 260 pages. No dust jacket. This is an ex-Library book. Brown cloth boards with gilt lettering. Contains black and white graphs, charts and folded diagrams. Book has been rebound by library, with expected inserts, stamps and inscriptions. Clean pages, graphs, charts and diagrams with noticeable tanning and foxing throughout. More pronounced to free endpapers and pastedowns. Pencil markings to front free endpaper and pastedown. Hinges are heavily cracked with exposed netting. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Gilt lettering is darkened. Minor splits to spine ends and corners causing cloth to be frayed. Visible wear and white writing marks to boards.