On January 7th 1839, during a session of the Academy of Sciences in Paris, the physicist and politician Francois Arago presented a new process to reproduce images, using mechanical and chemical means... This description may be from another edition of this product.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.