Invention of the telephone hardly a commercially practical telephone in the modern sense. Thomas Edison tested the Reis equipment and found that "single words, uttered as in reading, speaking and the like, were perceptible indistinctly, notwithstanding here also the inflections of the voice, the modulations of interrogation, wonder, command, etc., attained distinct expression." In 1947, the Reis device was tested by the British company Standard Telephones and Cables (STC). The results also confirmed it could transmit and receive speech with good quality (fidelity), but relatively low intensity. At the time STC was bidding for a contract with Alexander Graham Bell's American Telephone and Telegraph
Necessity is the mother of invention Necessity is the mother of invention "Necessity is the mother of invention" is an English-language proverb. It means, roughly, that the primary driving force for most new inventions is a need. "When the need for something becomes imperative, you are forced to find ways of getting or achieving it." The author of this proverb is unknown. This phrase was familiar in England, but in Latin, not in English. In 1519, the headmaster of Winchester and Eton, William Horman, used the Latin phrase "Mater artium necessitas" in his book "Vulgaria". In 1545 Roger Ascham used a close English version, "Necessitie, the