Warm Air Heating - How to design and install warm air heating David Herbert
1965. first published in GB. 124 pages. Blue dust jacket over blue cloth and gilt lettering. Binding remains firm.Pages remain bright with minimal tanning. Boards have light edge-wear with slight rubbing to surfaces and spine is presentable with minimal crushing and tanning. Unclipped jacket. Jacket has moderate edge-wear with chips, tears, and creasing.