Observing Visual Double Stars by Paul Couteau
1981. This Translation Copyright. 257 pages. Blue dust jacket over white cloth. Contains black and white illustrations throughout. Pages remain bright and clear with minimal tanning and foxing. Water staining to front free endpaper. Thumb-marking present. Annotations and marginalia to pages throughout. Light creasing to gutter. Boards have mild edge-wear with slight rubbing to surfaces. Soft crushing to spine ends. Minor tanning to spine and edges. Water staining to front board. Textblock is shaky. Unclipped jacket has moderate edgewear with chips, tears and creasing. Visible tanning to spine. Noticeable rubbing to surfaces. Scuffing to edges.