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Number of results to display per page
TitleCollection Number And NamePhoto Number
1 Patented model of a Morse Code key telegraph transmitterP0501 Arch Leonard MadsenP0501n01_08_024
2 Plaque with wiring or broadcasting equipment, WRUL/WRUWP0501 Arch Leonard MadsenP0501n01_09_009
3 Brazilian Association of Radio and Television Broadcasters Award, with gavel [1]P0501 Arch Leonard MadsenP0501n01_10_001
4 Brazilian Association of Radio and Television Broadcasters Award, with gavel [2]P0501 Arch Leonard MadsenP0501n01_10_002
5 Brazilian Association of Radio and Television Broadcasters Award, with gavel [3]P0501 Arch Leonard MadsenP0501n01_10_003
6 Philo T. FarnsworthP0501 Arch Leonard MadsenP0501n01_10_011
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