Engineering Units and Physical Quantities by H. S. Hvistendahl
1964. First Edition. 132 pages. Red and white jacket over red cloth. Pages are lightly tanned, but text remains clear. Binding is firm. Boards and spine have minimal shelf-wear, with minor corner bumping and crushing to ends. Unclipped jacket. Noticeable tanning and foxing to all surfaces. Light edgewear with slight tearing to spine ends.