TY  - BOOK
AU  - Frank,Nathaniel Herman
TI  - Introduction ot electricity and optics
AV  - QC521 .F78 1950
U1  - 537 
PY  - 1950///
CY  - New York
PB  - McGraw-Hill
KW  - Electricity
KW  - Electromagnetism
KW  - Optics
ER  -