Garrett Morgan was always thinking of ways to make the world a safer place. Protecting firefighters led to his invention of the first gas mask. Witnessing a terrible traffic accident inspired him to... 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.