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Books about Polhem:
Christopher Polhem: The Father of Swedish Technology by William Johnson (Jan 1, 1963)
Polhem: Tidskrift for Teknikhistoria (1985)
Christopher Polhem by JohnsonWilliam (1963)
Christopher Polhem 1661 - 1751 by Bengt (director) Nystrom (1985)
Christopher Polhem. The Father of Swedish Techology. by William A. Johnson (1963)
Christopher Polhem: the Father of Swedish Technology by Christopher Polhem and Black & White Illus Color (Jan 1, 1963)
Christopher Polhem the Father of Swedish by William A Johnson
Wiki information Polhem:
Christopher Polhammar, better known as Christopher Polhem, which he took after his ennoblement, was a Swedish scientist, inventor and industrialist. He made significant contributions to the economic and industrial development of Sweden, particularly...
The Polhem Prize is a highly prestigious Swedish prize awarded by Swedish Association of Graduate Engineers for a high-level technological innovation or an ingenious solution to a technical problem. The innovation must be available and shown...