1
by Needham, 1900-1995
Published 1997
Table of Contents: '; ...v. 5. Chemistry and chemical technology: pt. 3. Spagyrical discovery and invention: historical...
2
by Needham, 1900-1995
Published 1986
Table of Contents: '; ...v. 5. Chemistry and chemical technology: pt. 7. Military technology, the gunpowder epic...