TY  - BOOK
AU  - Penrose,H.E.
ED  - Barid Baran Collection (National Library, India)
TI  - Magnetism and electricity: for home study 
U1  - 537 
PY  - 1919///
CY  - London
PB  - Wireless Press
KW  - Magnetism
KW  - Electricity
N1  - Includes index
ER  -