The High-Elves, … the Noldor or Loremasters, were always on the side of ‘science and technology’, as we should call it: they wanted to have the knowledge that Sauron genuinely had.

from Letter draft to Peter Hastings (manager of a Catholic bookshop in Oxford, who wrote about his enthusiasm for Lord of the Rings) (Sep 1954). In Humphrey Carpenter (ed.) assisted by Christopher Tolkien, The Letters of J.R.R. Tolkien (1995, 2014), 190, Letter No. 153.