David Edward Hughes 1831 - 1900
- occupation:
- Teacher, Telegraphic engineer
- Nationality:
- British
- born in:
- Wales, United Kingdom; London, Greater London, England, United Kingdom
c. 1838 - his family emigrated to United States; 1854 - moved to Louisville, Kentucky, United States
Related Objects
Hughes microphone detector, 1865-1875
Experimental microphone, 1878-1890
Experimental carbon block microphone, 1878-1890
Experimental microphone using steel needles and gas carbon, 1878-1890
Powdered graphite microphone, 1878-1890
Hughes' printing telegraph, 1860.
Powdered graphite microphone, 1878-1890
Granular microphone in bamboo tube, 1878-1890
Experimental microphones with carbon pencils and cups, 1878-1890
