Abacs or Nomograms: an Introduction to Their Theory and Construction Illustrated by Examples From Engineering and Physics by A.Giet
1956. First Published. 225 pages. Blue dust jacket over blue cloth. Binding remains firm. Pages have light tanning and foxing throughout. Boards have light shelf-wear with corner bumping. Slight crushing to spine ends. Mark to rear board. Unclipped jacket has moderate edgewear with chips, tears, and creasing. Tape to top edge. Light tanning to spine and edges. Pen inscription to front flap. Wear marks and foxing overall.