Mercury-Arc Current Convertors H. Rissik
1954. Second Edition. 434 pages. No dust jacket. Blue cloth covered boards with gilt. Pages remain clear with minimal tanning and foxing. Cracking to hinges, no damage to end papers. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Mild crushing to spine ends. Gilt lettering has become dull. Cloth has minor damp and dust stains. Board corners are bumped.