Logo

ONLINE PUBLIC ACCESS CATALOGUE (OPAC)

Irrigation Department

වාරිමාර්ග දෙපාර්තමේන්තුව

நீர்ப்பாசன திணைக்களம்

Right Logo

Telephony a detailed exposition of the telephone exchange systems of the British post office

Atkinson, J.

Telephony a detailed exposition of the telephone exchange systems of the British post office - SIR ISAAC PITMAN & SONS London 1948 - 514p. fig., ill. - Volume I .

3234


Engineering

621.395 / ATK
© Irrigation Department in Sri Lanka, 2025. All rights reserved.
Solution & Maintain by
NSLRC of National Science Foundation