Joseph Gies, Frances Gies, "Cathedral, Forge and Waterwheel: Technology and Invention in the Middle Ages"
1995 | ISBN: 0060925817 | EPUB | 368 pages | 2 MB
1995 | ISBN: 0060925817 | EPUB | 368 pages | 2 MB
An illuminating look at the monumental inventions of the Middle Ages, by the authors of Life in a Medieval Castle.