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Young men who were looking for new worlds to conquer at the end of the 19th century were already reading by (1) electric lights and speaking on the telephone over long (2) distances. Along came radio, a phenomen on that was the result of many brilliant (3) scientists. Many people were pondering the problem of sound waves. R. A. Fessenden was among them. Thomas Edison hired Fessenden as a (4) tester into giving him (5) repairing of electric mains and an 6) agressive man. Fessenden was (7) resourceful. He very soon became obsessed with the idea of working with sound waves. He left Edison and took two (8) bankers' money for his experiments.

1 Both direct and alternating current may be used on electrified railways. 2. Steel, which is used for the production of rails, must be of high quality. 3. The double-track railways are more convenient than single-track railways because the trains do not have to wait for the other trains to pass. 4. They were not allowed to take part in the discussion. 5. W. Murdock could construct a working model of a small steel locomotive.
1 На электрифицированных железных дорогах может использоваться как постоянный, так и переменный ток. 2. Сталь, используемая для производства рельсов, должна быть высокого качества. 3. Двухпутные железные дороги более удобны, чем однопутные, так как одним поездам не надо ждать, пока пройдут другие. 4. Им не разрешили принять участие в обсуждении. 5. У. Мердок мог построить из стали действующую модель небольшого локомотива.