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The Herrmann wall telephone, also known as the "privileged phone", was a type of telephone, created by the Portuguese inventor, Maximiliano Augusto Herrmann, in
The Herrmann wall telephone, also known as the "privileged phone", was a type of telephone, created by the Portuguese inventor, Maximiliano Augusto Herrmann, in 1880
Events
January–March
* January 22 – Toowong State School is founded in Queensland, Australia.
* January – The international White slave trade affair scandal in Brussels is exposed and attracts international infamy.
* February †...
. The pioneering use of buttons to activate the telephone played a fundamental role to the opening of public lines in the main cities of Portugal. The telephone was composed by a double earpiece, made with long flexible tubes, and a transmitter fixed to main body of the machine.
Its inventor, Maximiliano Augusto Herrmann (1832–1913), worked for the North and East Portuguese Railway Company () as telegraph lines inspector. He later opened a workshop in Lisbon
Lisbon (; pt, Lisboa ) is the capital and largest city of Portugal, with an estimated population of 544,851 within its administrative limits in an area of 100.05 km2. Grande Lisboa, Lisbon's urban area extends beyond the city's administr ...
dedicated to the production of precision instruments.
See also
* Telecommunications in PortugalReferences
Portuguese inventions Telephony {{Portugal-stub