The following is a reply to David Llewellyn Dodds who has been very generous in his comments on my previous Tolkien post. This reply fits here and if you are interested you can follow the flow of thought in comment section of the previous post.
In Letter 155 Tolkien takes the traditional distinction between magia (wisdom) and goeteia (sorcery) and for the purposes of his tale distinguishes between magia that has actual effect (machine, technology) and geoteia that is artistic (enchantment). Both forms can be used for good or ill depending on intention. Tolkien is more suspicious of the machine, though he in no way discounts that art can be used to deceive. Continue reading