PENCAN-I (Peninsula-Canary Islands) coaxial submarine intermediate repeater. Submerged in series with the submarine cable, it raised the signal levels, attenuated by the effects of long-distance transmission, to an acceptable value.

Lamp analyser which replaced the 1958 model U61B and was replaced by the U61D in 1965. It is a soundless table-top device, using alternating current 110; 130; 220; 250 Volt.

Operates using AC mains power. Contains 8 valves and 3 semiconductors. It generates a frequency modulated or FM signal. It is designed to perform general measurements, especially in multi-channel telemetric equipment that requires a high level of...

team of operators. The number of telephones installed at the end of 1961 reaches two million

The Pentaconta automatic control panel takes its name from the Greek and means "fifty count" which is related to the fifty-two lines of capacity used by the multiple switch

THANKS IN LARGE PART TO THE WORK OF THE GUARDS, THE INTERURBAN NETWORK INCREASES THIS YEAR BY MORE THAN 201,000 KILOMETERS OF TELEPHONE CIRCUIT

THE TWO NEW DIRECT CIRCUITS BETWEEN MADRID AND NEW YORK BY SUBMARINE CABLE, PLUS THE THREE EXISTING RADIO LINKS, INCREASE INTERNATIONAL TRAFFIC WITH NORTH AMERICA BY 50%

PENTACONTA EQUIPMENT : PENTACONTA EQUIPMENT RACK LINES

PENTACONTA TEAM : OUTBOUND LINK

PENTACONTA EQUIPMENT : MECHANIC WORKING ON A PENTACONTA EQUIPMENT FRAME

SUBMARINE CABLE

COAXIAL CABLE : CABLE TRUNKING

COAXIAL CABLE : CABLE TRUNKING