In the series Pitman’s Common Commodities. Undated. Grey-green cloth-covered boards, black titles to front board and spine, 112 pages (including index) followed by pages of publisher’s catalogue. With 17 illustrations: frontispiece from photograph, 16 line drawings, diagrams etc. Barely octavo in size (approximately 7.4 inches high). Condition: A little rubbing to the boards, some pencil underlining here and there, and generally some evidence that it has been someone’s school copy (but all in pencil). Binding pulling at beginning of book.