TY  - BOOK
AU  - Gimpel, Jean
TI  - The Medieval Machine: the industrial revolution of the middle age
SN  - 704530988
U1  - 609.4 
PY  - 1988///
CY  - England
PB  - wildwood house
KW  - Europe -Technology
KW  - Western Europe - Technological Development
KW  - Engineering - Mechnical
ER  -