Gies, Frances.
Cathedral, forge, and waterwheel : technology and invention in the Middle Ages / [by] Frances and Joseph Gies. - New York : HarperCollins, 1994. - 357 p. : ill.
Includes bibliographical references and index.
0060165901
93014293
Technology--History.
Inventions--History.
609.4
Cathedral, forge, and waterwheel : technology and invention in the Middle Ages / [by] Frances and Joseph Gies. - New York : HarperCollins, 1994. - 357 p. : ill.
Includes bibliographical references and index.
0060165901
93014293
Technology--History.
Inventions--History.
609.4