TY  - BOOK
AU  - Rolt-Wheeler,Francis William
ED  - Asutosh Collection (National Library, India)
TI  - Thomas Alva Edison
U1  - 926.2 
PY  - 1917///
CY  - New York
PB  - Macmillan
KW  - Edison, Thomas Alva,
KW  - Engineers
KW  - Biography
ER  -