TY  - BOOK
AU  - Dunsheath,Percy
TI  - A history of electrical engineering / 
U1  - 621.309 
PY  - 1962///
CY  - London : 
PB  - Faber & Faber, 
KW  - Electrical engineering
KW  - History
N1  -  Includes bibliographical references
ER  -