Books

Relativity: The Special and General Theory, Albert Einstein; Henry Holt and Company, 1921; third printing. Ownership signature of Wilson Marcy Powell, former Professor of Physics at the University of California, Berkeley and an important member of the Manhattan Project where he led the magnet group which designed the calutrons that separated uranium isotopes, providing the fissile material for the first atomic bombs, including of course the Trinity Test, whose effects '.could well be called unprecedented, magnificent, beautiful, stupendous and terrifying. No man-made phenomenon of such tremendous power had ever occurred before�Words are inadequate tools for the job of acquainting those not present with the physical, mental and psychological effects.' (Major General Thomas Farrell) Hinges cracked but the binding remains firm, rubbing and wear to board edges and spine tips, damp stain to the top right-hand corner of pages largely throughout the book.

This book, written by Albert Einstein, introduces his groundbreaking theory of relativity, explaining its concepts in a form accessible to the general public.