For nearly 600 years, from the battles of the early fourteenth century to the dropping of the atomic bomb at Hiroshima, firearms derived from gunpowder and other chemicals defined the frightful extent of war. The apparatus and materials used in World War I would have been familiar to our remote ance[...]
Classic exposition explores origins of chemistry, alchemy, early medical chemistry, nature of atmosphere, theory of valency, laws and structure of atomic theory, much more.
[...]