proof from alexander graham bell's own mouth, that he never contemplated a speaking telephone in his 1876 patent, and that he never transmitted speech
Varios Autores
proof from alexander graham bell's own mouth, that he never contemplated a speaking telephone in his 1876 patent, and that he never transmitted speech
Varios Autores (Author) · gale, making of modern law · Physical Book
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Go to My Wishlistsproof from alexander graham bell's own mouth, that he never contemplated a speaking telephone in his 1876 patent, and that he never transmitted speech
Varios Autores
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