A Treatise on Elementary Trigonometry by J.B.Lock
1904. Stereotyped Edition. 306 pages. No dust jacket. Red cloth boards with gilt lettering. Contains black and white illustrations. Clean pages and illustrations with light tanning and mild foxing throughout. More pronounced to free endpapers and pastedowns. Pen and ink stamp markings to front free endpaper. Pencil annotations and marginalia to a few pages. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Gilt lettering is bright and clear. Minor wear marks to boards.