1946. No Edition Remarks. 63 pages. Brown paper cover. Fold-out diagrams to rear. Pages have slight foxing, tanning and minor thumbing. Foxing more noticeable towards the start and end of the book. Pencil inscriptions to front endpaper. A few dog-eared corners. Fold-out diagrams have minor foxing and tanning and some small creases. Paper cover has substantial wear with creases, sunning, marks and edge tears, and spine chips.