Tech History Today – Apr. 9

In 1860 – Parisian typesetter and inventor Édouard-Léon Scott de Martinville’s uses his Phonoautogram to record sound onto paper but has no way to pay it back.

In 1919 – Presper Eckert was born in Philadelphia. Eckert became famous for his work, with John Mauchly on the ENIAC project.

In 1959 – NASA publicly announced the selection of the United States’ first seven astronauts, who quickly became known as the “Mercury Seven”.

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