Telegraph operators used to have to send every message by hand.
The service is governed by the international telegraph regulations, but is subject to local inspection and interruption in times of political disorder.
The length of telegraph lines in use is 46,300 m., and the length of wire nearly three times that distance.
It is in fact the electromagnet and spindle of a telegraph relay with a siphon in place of the tongue.
The postal and telegraph services are administered by the national government, and are under the immediate supervision of the minister of the interior.