TY  - BOOK
AU  - Pledge,H.T.
ED  - Science Museum (Great Britain)
TI  - Science since 1500: a short history of mathematics, physics, chemistry [and] biology 
U1  -  509 
PY  - 1939///
CY  - London
PB  - H.M. Stationery
KW  - Science
KW  - History
N1  - At head of title: Board of education. Science museum
ER  -