I felt a touch misled by the subtitle of this book - it refers to 'the film factory'. While technically accurate, I think most people think of 'the film factory' as a term for Hollywood, where in fact what's meant here are the two photochemical giants of the era, Kodak and AGFA. Admittedly, Hollywood gets plenty of mentions, but the movie studios' use of materials from these companies is totally dwarfed by their wider use.At the heart of the book is the chemistry necessary to make film - firs...