G. Bell and Sons, 1923. 1st. Hardcover. 12mo. Very good. Item #66587
116ppg. Text and diagrams are unmarked on lightly patinated pages. Both front and back endpapers have a large shadow through the middle of the page from age. Red cloth boards show black embossed text over both cover boards and spine; there are lightly sun bleached spots at the fore edges on both cover boards and surface of back board.