TY  - BOOK
AU  - Pledge,H.T.
ED  - Science Museum (Great Britain)
TI  - Science since 1500: a short history of mathematics, physics, chemistry, biology 
PY  - 1939///
CY  - London
PB  - H.M.S.O.
KW  - Science
KW  - History
N1  - At head of title: Science Museum; Includes index
ER  -