Plane and Spherical Trigonometry Lyman M. Kells Et Al.
1951. 3rd Edition. 290 pages. No dust jacket. Red cloth. Binding remains firm. Pages have light tanning and foxing throughout. Water staining to some pages, text remains unaffected. Pencil inscription and sticker to front pastedown and endpaper. Boards have light shelf-wear with corner bumping. Slight crushing to spine ends. Wear marks overall.