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In 1874, Blake married
Elizabeth Livermore Hubbard (1849-1941) whose father provided land in Weston, on which Blake designed and built an elaborate house where he conducted his electrical experiments. They had two children: Agnes (Blake) Fitzgerald (b. 1876) and Benjamin Sewall Blake (b. 1877).
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invented a similar microphone that also used carbon contacts. Blake used a carbon button design that initially would not stay in adjustment, but with later improvements proved to be workable.
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who also invented a carbon microphone. The improved
Berliner-Blake microphone was standard with the Bell company for many years. Blake also improved the construction of the
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Canadian patent 10021 for telephone transmitter, granted May 28, 1879, voided March 3, 1887 because of failure to manufacture telephone parts in Canada.
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Men of
Progress: One Thousand Biographical Sketches and Portraits of Leaders in Business and Professional Life in the Commonwealth of Massachusetts
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from his teenage years through early adulthood (1866-1878). He was a physicist and an amateur photographer.
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on
December 25, 1850, the son of Caroline Burling (Trumbull) and Francis Blake, Sr.
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290:"US Patent № 250,128. Speaking telephone. Patented Nov. 29, 1881"
273:"US Patent № 250,127. Speaking telephone. Patented Nov. 29, 1881"
256:"US Patent № 250,126. Speaking telephone. Patented Nov. 29, 1881"
133:(December 25, 1850 – January 20, 1913) was an American inventor.
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Francis Blake : An inventor's life : 1850-1913
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Francis Blake : An inventor's life : 1850-1913
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for use in the telephone, and patented it shortly after
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193:He died at his home in Boston on January 20, 1913.
363:. Massachusetts Historical Society. p. 156.
319:. Massachusetts Historical Society. p. 170.
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384:American Antiquarian Society Members Directory
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487:Members of the American Antiquarian Society
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430:, Massachusetts Historical Society, 2004
421:The Telephone and its Several Inventors
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402:. Boston. January 30, 1913. p. 2
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160:hired Blake and put him to work with
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492:People from Needham, Massachusetts
186:Blake was elected a member of the
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428:Francis Blake: An Inventor's Life
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423:, McFarland Publishers, 1995.
244:– via Internet Archive.
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477:Engineers from Massachusetts
446:Telephone Museum newsletter
359:Hall, Elton Wayland (2003).
315:Hall, Elton Wayland (2003).
188:American Antiquarian Society
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410:– via Newspapers.com.
94:Elizabeth Livermore Hubbard
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177:United States Coast Survey
141:Francis Blake was born in
348:. Музей истории телефона.
205:US patent granted in 1881
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234:The New England Magazine
396:"Francis Blake is Dead"
342:"Фрэнсис Блэйк Младший"
148:In 1879, he invented a
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455:May 30, 2009, at the
305:Coe, pages 22, 33, 76
158:Alexander Graham Bell
175:Blake worked on the
170:photographic shutter
400:The Marshfield News
441:Blake Transmitters
340:Иванов Александр.
236:. pp. 948–950
150:carbon microphone
131:Francis Blake Jr.
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50:December 25, 1850
16:American engineer
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67:(1913-01-20)
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502:1913 deaths
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232:. Boston:
210:References
81:Occupation
46:1850-12-25
190:in 1900.
166:microtome
137:Biography
115:Signature
453:Archived
406:April 8,
84:Inventor
197:Patents
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89:Spouse
73:Weston
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408:2020
365:ISBN
321:ISBN
242:2022
62:Died
40:Born
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
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