TY  - BOOK
AU  - Schwendler, Louis
TI  - Instructions for testing lines, batteries, and instrument and guide to the technical arrangement of telegraph offices in India
U1  - 621.383 
PY  - 1978///
CY  - Calcutta
PB  - Govt. Telegraph press
N1  - Library has vol.2 and 2 cops
ER  -