TY  - GEN
AU  - Perkins, W. T.
TI  - Telecommunications: questions and solutions 
U1  - 621.384,PER 
PY  - 1948///
CY  - London
PB  - George Newnes
KW  - Telecommunications
N1  - Transmission and Lines (Page-vii), Summary of Formula (Page-ix), Question and Solutions (Page-1), Examples to be Worked by tudent (Page-129), City and Guilds of London Institute Syllabus (Page-134), Questions and Solutions (Page-140), Example to be Worked by Student (Page-271), City and Guilds of London Institute Syllabus (Page-136)
ER  -