TY  - BOOK
AU  - Whitney,Elspeth
TI  - Paradise restored: the mechanical arts from antiquity through the thirteenth century 
AV  - T15 .W57 1990
U1  - 609 20
PY  - 1990///
CY  - Philadelphia, Pa.
PB  - American Philosophical Society
KW  - Technology
KW  - History
KW  - Industrial arts
KW  - Civilization, Medieval
KW  - Civilization, Ancient
N1  - Includes bibliographical references (p. 151-163) and index
ER  -