The Book of Diamonds economic models analyzed primarily from

economic models analyzed primarily from the point of view of their mathematical properties) and appropriate mathematical reviews

which he conducted to investigate the mechanism of sand transport

as is the complete summary of the NACA's experimental observations and system of constructing families of airfoils

Savage yet sympathetic

elementary number theory

The Book of Diamonds economic models analyzed primarily fromPerhaps the most prized of all gems, diamonds have a long and fascinating history. In this engrossing, profusely illustrated volume, that history is covered in detail from early discoveries in the Golconda mines of India (probably the site of the first diamonds ever unearthed) and digs in Brazil, to the South African diamond rush and development of major mining companies. Over 200 illustrations include step by step photos showing how these valuable