TY  - BOOK
AU  - His Majesty`s Stationary Offic, 
TI  - Administraty Hand Book Of W Telegraphy B R 229
U1  - 523.018 
PY  - 1946///
CY  - Kottayam
PB  - NATIONAL BOOKSTALL
KW  - General Stack
KW  - Natural sciences & mathematics
KW  - Astronomy & allied sciencesSpecific celestial bodies & phenomena
KW  - Physics
ER  -