1947. 16th Printing. 89 pages. No dust jacket. Red cloth. Folded diagrams to rear pocket. Pages are lightly tanned with mild foxing throughout. Slight crinkling to paper at gutters, however binding remains firm. Inscribed by a previous owner. Folded diagrams are lightly tanned to edges with minor creasing on folds. Thumb-marking present throughout. Boards have noticeable edge wear with corner bumping. Visible tanning to spine and edges with some crushing to spine ends. Small splits to spine ends. Faint white marks and scratches overall. Book is slightly bowed and forward leaning.