L. Sprague de Camp wrote a non-fiction book called "The Ancient Engineers" which I remember reading a long time ago. I expect this piece (which I wasn't at all familiar with) was an outgrowth of that book, though it could easily be the other way around.
L. Sprague de Camp wrote a non-fiction book called "The Ancient Engineers" which I remember reading a long time ago. I expect this piece (which I wasn't at all familiar with) was an outgrowth of that book, though it could easily be the other way around.
Thanks!