The Oscilloscope at Work by Alfred Haas, and R.W.Hallows
1959. Revised Impression. 171 pages. No dust jacket. Blue cloth. Black and white illustrations and photographs throughout. Slight cracking to gutters with exposed netting, pages slightly loose. Pages and illustrations have light foxing throughout. Heavier to endpapers and pastedowns. Boards have light shelf-wear with corner bumping. Light tanning to spine and edges with crushing to spine ends. Wear marks overall.