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Locomotion
Francis Blake
1850 - 1913
occupation:
Inventor,
Photographer
Nationality:
American
born in:
Needham, Norfolk county, Massachusetts, United States
1877 - Invented a type of telephone transmitter
Related Objects
Wall telephone using a Blake transmitter, 1880-1890 (telephone)
Wall telephone with Blake transmitter, 1880-1900 (telephone)