AN APPRECIATION Though Russell H. Conwell's Acres of Diamonds have been spread all over the United States, time and care have made them more valuable, and now that they have been reset in black and white by their discoverer, they are to be laid in the hands of a multitude for their enrichment. In the same case with these gems there is a fascinating story of the Master Jeweler's life-work which splendidly illustrates the ultimate unit of power... more...