Lee de Forest Signed Letterhead

Original letterhead signed by Lee de Forest (1873-1961), American inventor and pioneer of radio and electronic communications. De Forest is best known for his 1906 invention of the three-element Audion vacuum tube, a major development in radio amplification and early electronics. The signed letterhead is matted and framed alongside a black-and-white illustration relating to early radio technology. De Forest's contributions to electronic amplification helped lay the groundwork for modern radio broadcasting, sound recording, and telecommunications. Estimate $150 - $300

Utropspris:1 511,25 SEK

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