Tesla holding a phosphor-coated wireless light bulb

Nikola Tesla’s plan to give free electricity to everyone (1896)

Free electricity for everyone? It means that if Nikola Tesla succeeds in harnessing the electrical earth currents and putting them to work for man there will be an end to oppressive extortionate monopolies in steam, telephones, telegraphs and the other commercial uses of electricity
The Telephone & How We Use It (from 1951)

The rotary-dial telephone and how we use it (1951)

The Telephone and How We Use It was published by Bell Telephone System in 1951. Geared toward children, the booklet covers the basics of how to use a rotary-dial telephone - the latest technology of the time.