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1915
- 1919 /
1916
- 1924 /
CLICK FOR NBS Study "K" TIMELINE -
1916
- David Sarnoff, an employee of the Marconi Company
proposes 'radio music boxes' for the home as a
potential business opportunity. He was ignored.
Wireless is used
by the New York city police department. Wireless
telegraphy is made compulsory on all British
vessels over 3,000 tons.
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TO GO TO PRIOR PAGE Page 1910 - TIMELINE - 03.
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1915
- 1919 /
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TO GO TO NEXT Page 1920 - TIMELINE -
1915
- The first trials of transmitting speech across
the Atlantic begin in August.
1915 - Control of the A.R.R.L. was taken over by H.
P. Maxim and Clarance D. Tuska, the first Secretary
of the League. The League was incorporated, and the
second callbook was issued containing almost 600
members. The league published the first issue of
QST in December.
1915
- Human voices are first broadcast across the
Atlantic ocean, between Arlington, Virginia and the
Eiffel Tower in Paris.
1915 0125 - January 25th
marks the official ceremonies to open the first
transcontinental line from New York to San
Francisco. Alexander Graham Bell, in New York,
speaks to Tom Watson in San Francisco repeating the
first complete sentence transmitted by
telephone..."Mr. Watson - come here - I want
you!"
1915af - DISCLAIMER: 803,684. John Ambrose Fleming,
London, England. Instrument for converting
alternating electric currents into continuous
currents. Patent dated Nov. 7, 1905. Disclaimer
filed November 17, 1915 by the assignee, Marconi
Wireless Telegraph Company of America. Enters this
disclaimer: "To the combination of elements set
forth in Claims 1 to 6, inclusive, and 10 to 15,
inclusive, respectively, of said Letters Patent,
EXCEPT AS THE SAME ARE USED IN CONNECTION WITH HIGH
FREQUENCY ALTERNATING ELECTRIC CURRENTS OR ELECTRIC
OSCILLATIONS of the order employed in Hertzian wave
transmission, and to the words in the
specification: 'Whether of low frequency or' at
page 2, lines 32 and 33; 'either,' at page 2, line
98; and 'or low frequency alternating currents of,'
at pages 2, lines 98 and 99. "Copy of Fleming
Patent No. 803,684, dated Nov. 7, 1905, and the
above disclaimer may be obtained from the
Commissioner of Patents, Washington, D. C.
1915ar
- Armstrong beats De Forest to the Patent Office.
De Forest sued E. Howard Armstrong. The suit ended
in 1934. He won, but the radio industry still
credited Smart-Daaf Boy Armstrong with the
invention. His other major contribution was to the
film industry.
1915m - Marconi who visited Schenectady in 1915
found Alexanderson's alternator to be superior to
his own equipment in the big, newly constructed
station. As a result, the Marconi equipment was
torn out, and the alternator installed. Via the New
Brunswick station, which had finally acquired a 200
kW alternator, and was placed during the war under
the command of the U.S. Navy, President Wilson was
able to maintain wireless telephone contact with
the USA throughout his voyage to the Peace
Conference in Versailles, and back.
1915m
- Marconi, who on his visit to the States in 1915
had desired to buy the exclusive right to sell the
alternators on the world market, made a new offer
to General Electric in 1919.
President Wilson
appealed to General Electric not to sell, since he
feared that the English would in that event become
completely dominant in the field of world
communications. Instead, an entirely new
corporation was created, the Radio Corporation of
America (RCA), for the purpose of marketing the
alternators. Alexanderson was brought in as Chief
Engineer at the new corporation, and subsequently
shared his working time between GE and RCA until
1924, when he returned to working full time at
GE.
1915r - Fessenden departed England and returned to
Boston and perfected his ocean depth device which
he called the fathometer, a sonar device used to
determine the depth of water for a submerged object
by means of sound waves. This invention gave him
enough financial security to live comfortably and
spend summers visiting friends and relatives in
Canada.
1915r
0720 - PATENT
- Fessenden's U.S. Patent 1147010 "Improvements in
Wireless Telegraphy," Granted July 20,
1915.
1915s
- AT&T - SQUIER - Single
Sideband -
The original development of single sideband
came about because of certain limitations in radio
telephone circuits. Experiments were first
conducted by Nathan B. Stubblefield and Major
Squier in 1908, and then by Squier and John R.
Carson of the Bell Research and Development Labs,
and the American Telephone & Telegraph Company
in 1915.
1915s - Fire at the Murray Telephone office above
the Dale & Stubblefield Co. It originated when
an electric light wire contacted a telephone wire
setting off the blaze.
1915s 0508 -
PATENT EXPIRES: Patent For Stubblefield's
Electrolyte Battery And Radio Voice Detector And
Transmitter, (Wireless Telephone)
Expires.
1915t - Since the Nobel Prize in Physics was
awarded to Marconi for radio in 1909, Thomas Edison
and Tesla were mentioned as potential laureates to
share the Nobel Prize of 1915 in a press dispatch,
leading to one of several Nobel Prize
controversies. Some sources have claimed that due
to their animosity toward each other neither was
given the award, despite their enormous scientific
contributions, and that each sought to minimize the
other one's achievements and right to win the
award, that both refused to ever accept the award
if the other received it first, and that both
rejected any possibility of sharing it.
1915t
- Tesla filed a lawsuit against Marconi attempting,
unsuccessfully, to obtain a court injunction
against the claims of Marconi.
1916 - League dit dah operators membership jumped
to around 960 members. It was in 1916 that the
league made its attempt at a nation-wide relay. 9XE
of Davernport Iowa, on Washington's birthday, sent
a message from the Rock Island Arsenal addressed to
the governors of every state and President Wilson.
The relay time wasn't too bad. The record exhibits
that the message got to the Pacific coast in 55
minutes, to the Atlantic Coast in 60 minutes, to
New Orleans and Canada in 20 minutes. By this time,
Amateurs were establishing reliable trunk networks
across the U.S. By the end of 1916 six trunks had
been established. Also in 1916, the first
transcontinental attempt was tried and failed due
to static.
1916 - New engineering and scientific discoveries
continue within the Bell system including
development of new magnetic alloys, and the
condenser microphone which revolutionized the radio
and public address systems.
1916 -
PATENT EXPIRES:
Thomas Edison's 1891 Patent For Antenna Wireless
Telegraphy expires. ????
1916d - De Forest pioneered radio news,
broadcasting -- although incorrectly -- the results
of the presidential election. He was disappointed
with how radio and television evolved, however, and
was deeply critical of its low standards. De Forest
wrote an autobiography entitled Father of Radio,
but did not get that recognition from the rest of
the world.
1916t
- Tesla filed for bankruptcy because he owed so
much in back taxes.
He was living in
poverty. After Wardenclyffe, Tesla built the
Telefunken Wireless Station in Sayville, Long
Island. Some of what he wanted to achieve at
Wardenclyffe was accomplished with the Telefunken
Wireless.
1917 - America enters the First World War, and all
patent protection is set aside for the duration.
Many advances are made in manufacturing and design
due to this measure. Amateur radio experimenters
pull down their antennas and pack away their
equipment by government order.
02
/ TimeLine
/ United
States Sedition Laws
1917
- Sedition Laws. The Espionage Act of June 15, 1917
- SECTION 3. Whoever, when the United States is at
war, shall willfully make or convey false reports
or false statements with intent to interfere with
the operation or success of the military or naval
forces of the United States, or to promote the
success of its enemies, or shall willfully make or
convey false reports, or false
statements,
. . . Or incite
insubordination, disloyalty, mutiny, or refusal of
duty, in the military or naval forces of the United
States, or shall willfully obstruct . . . The
recruiting or enlistment service of the United
States, or . . . Shall willfully utter, print,
write, or publish any disloyal, profane,
scurrilous, or abusive language about the form of
government of the United States, or the
Constitution of the United States, or the military
or naval forces of the United States . . . or shall
willfully display the flag of any foreign enemy, or
shall willfully . . . urge, incite, or advocate any
curtailment of production . . . or advocate, teach,
defend, or suggest the doing of any of the acts or
things in this section enumerated and whoever shall
by word or act support or favor the cause of any
country with which the United States is at war or
by word or act oppose the cause of the United
States therein, shall be punished by a fine of not
more than $10,000 or imprisonment for not more than
twenty years, or both . . . A portion of the
amendment to Section 3 of the act was subsequently
repealed in 1921.
1917
0406 - U.S. Declares War On Germany on April 6,
1917 - Tuckerton
Station staff members were arrested and sent to a
prisoner of war camp in Virginia. All Commercial
And Amateur Wireless Stations Were Closed - or came
under Navy control on April 7, 1917, when war was
declared. - CLICK For More Go To NBS 1925 to
1934.
1917 - The U.S. is at war with Germany and
Austria-Hungary and Bell system engineers
demonstrate one way radio telephone transmission
from airplane to ground. By August, two way,
air-ground communications is maintained for the
first time and communication between two airplanes
is also demonstrated.
1917d
- PATENT
- Lee De Forest's U.S. Patent 1,214,283 Patent
Granted "Wireless Telegraphy" (directional antenna)
Filed Sept. 24, 1912, Granted Jan. 30, 1917.
CLICK TO VIEW PATENT.
Editor's Note: Lee De Forest's U.S. Patent
No. 1,214,283 stated in Wikipedia
incorrectly as Wireless Signaling
Device" (directional antenna), filed December 1902,
issued January 1904. (1902 Filing and
1904 Granting date Incorrect: U.S.
Patent 1,214,283 "Wireless Telegraphy" was filed
Sept. 24, 1912, Granted Jan. 30,
1917.
1917m - Marconi started to develop the first VHF
radios. - A second transcontinental attempt was
made in January and was successful. The message was
sent by 6EA took 3 relays to H.P.M. station in
Hartford, Ct. In February a two-way circuit was
accomplished in one night. Amateur Radio closes
down due to the WAR.
1917m - Marconi was a member of the Italian
Government mission to the United States in 1917 and
in 1919 was appointed Italian plenipotentiary
delegate to the Paris Peace Conference. He was
awarded the Italian Military Medal in 1919 in
recognition of his war service.
1917m
- PATENT
EXPIRES: Marconi's Famous 1900 Patent 7777 Expires,
Patent become public domain. Free use: 1. Use
of Aerial and Ground. 2. Inductive Coupling to the
Aerial and Ground Circuits. 3. Use of Tuning Coils
to Obtain the Desired Wavelength. 4. Employed the
Electrical Energy of the Earth as a
Battery.
1917s
- George O. Squier was appointed the Chief Signal
Officer
with the rank of
Brigadier General and in the same year promoted to
Major
General.
He also served as
military attaché in London during the
postwar period.
1917s
- World War I. Bernard, Oliver and Nathan Franklin
Stubblefield in service
overseas.Oliver
A. J. Stubblefield, is with a medical post company,
at Bordeaux,
France.
1917s
0105 - Ada May leaves Nathan on Jan. 5.
She had for years
told her husband when the last of the children left
home she, too, would leave. Ada was true to her
word and returned to the home of father in Paducah,
Kentucky after their youngest daughter Helen moved
to Tennessee.
Ada still blamed Nathan for the tragic death of
their 17-month-old son Wm Tesla, who shortly after
he was found "teething" on a raw potato from the
mixed energized WiFi hotsoil patches, grew fatally
ill on Oct. 14, 1906.
Her sons Bernard, Oliver and Nathan Franklin
Stubblefield were to join the service overseas,
leaving Nathan B. Stubblefield lonely on his
own.
1917s 0105 - Helen Stubblefield, daughter of
inventor Nathan B. Stubblefield marries and moves
to Tennessee.
1917s 0514 - Nathan's Will to Victoria on May 14
(handwritten original).
1917s 0519
- PATENT FILED:
Bernard Stubblefield's Patent 1,260.091 "Engine
Primer," Filed May 19, 1917, Granted March 19,
1918.
1917t - Dismantling of the tower (Tesla) on Long
Island.
1917t - Tesla received AIEE's highest honor, the
Edison Medal.
1917t - Tesla, in August 1917, first establishes
principles regarding frequency and power level for
the first primitive RADAR units.
1917t
- The Telefunken Wireless Station facility was
seized and torn down by the
Marines,
because it was suspected that it could be used by
German spies.
1918 - President Woodrow Wilson issued a
proclamation assuming control of the telephone and
telegraph systems in the United States, placing
them under the direction of the Post Office
Department as of July 31, 1918. This proclamation
is issued under authority of a joint resolution of
Congress.
1918
- Radio technology is used in detection of
submarines, and by the U.S. Signal Corps in
France.
5700 ships are now equipped with wireless
telegraphy worldwide. Special 'Hard' high vacuum
tubes are designed for the Navy.
1918 - Thousands of Amateurs pound brass for the
Army and Navy during the War.
1918
- Two Bills Were Introduced In Congress - Nominated
General Electric to Develop
RCA.
Bill was designed to
bring wireless under control and to retain American
control over Alexanderson's alternator.
1918al - Alexanderson's alternator was further
developed, assuming its final form at the end of
the First World War. President Woodrow Wilson's
"Fourteen Points" and an exhortation to the Kaiser
to abdicate were broadcast by means of the
Alexanderson alternator in 1918 in the "Marconi
station" in New Brunswick.
1918m
- PATENT
- Marconi's U.S.
Patent 1,271,190, Marconi "Wireless Telegraphy
Transmitter" Filed April 30, 1914, Issued July 2,
1918. CLICK TO VIEW
PATENT
1918s - PATENT:
Bernard Stubblefield's Patent 1,260.091 "Engine
Primer," Granted March 19, 1918; Filed May 19,
1917.
1918s 0601 - THE
MURRAY LEDGER -
Stubblefields In World War I -Enroute To The
Trenches.
Corporate Bernard B. Stubblefield of the
Massachusetts National Guard, coast defense, a
member of the 55th regiment C. A. C., has returned
from France and will again make Boston his
home.
Nathan F. Stubblefield, of 113th Ammunition Train,
38th Division, from Camp Shelby to France, has also
returned. He was not on the firing line, but come
off with liberal military training and some
education by observation and absorption, having had
a real trip to the Orient, and now visiting his
mother in Paducah.
Oliver A. J. Stubblefield, the younger brother is
yet with a medical post company, at Bordeaux,
France.
It is known in history that Nathan B. Stubblefield
gave 20 years of the best of his life in the
personal education of his children, in his home,
without the cost of a single penny to the
Commonwealth, rewarded as above cited, with a
liberal finish in the end; of three men, who are,
and will be, in the years to come, forces in the
world's affairs to be reckoned with.
1918
- World War I over, Nov.
18.
1918t -1920 - Tesla works with Allis Chalmers
Company, a famous manufacturer of steam turbines,
with an aim of making a commercial success of his
own steam turbine.
1919
- Amateur Radio resumes after the WAR, and
thousands of Hams renew their A.R.R.L.
Membership.
1919 - George Owen Squier, Chief Signal Officer in
the U.S. Army was elected to the National Academy
of Science.
1919 - On July 30, Postmaster General A.S. Burleson
signs an order returning the telegraph and
telephone systems to private ownership. On November
8th, the first large machine switching exchange in
the Bell system is brought into service in Norfolk,
VA. This exchange uses the step-by-step system and
is installed by the Automatic Electric Company of
Chicago for the Bell System.
1919 - The Bell System announces plans for the
introduction of machine switching (dial telephones)
in its exchanges. Cost studies have been underway
since 1884. In January, certain long line rates are
increased by 20% by order of the Postmaster.
Spark
transmitters are being replaced by vacuum tube
oscillators, and amateurs are beginning to switch
to phone operation from CW
(code).
Owen D. Young starts
the Radio Corporation of America (RCA) - an
offshoot of General Electric. Within the year he
has an agreement with GE, RCA, and AT&T for
sharing all radio patents between themselves. Dr.
Frank Conrad, a Westinghouse engineer, broadcasts a
regular schedule of records from his garage in
Pittsburgh, and begins to take requests from the
avalanche of mail he receives. A local department
store mentions those broadcasts in one of their
newspaper advertisements, and promptly sells out of
its radio equipment. Westinghouse takes notice, and
begins to see the possibilities for
broadcasting.
1919 - Theodore N. Vail retires as president of
AT&T. Harry Bates Thayer (1858-1936) is elected
as president and becomes Chairman in 1928.
1919
10 - RCA Was Formed In October 1919, and in
November the entire G.E. Holdings of American
Marconi stock were taken over by RCA.
1919
- Vladimir Zworykin, the adversary of Farnsworth,
in the 30s, escapes to the United States in 1919,
after the Russian revolution.
Zworykin as a
graduate student in St. Petersburg, having been the
assistant of Boris Lvovich Rosing,
(1869&endash;1933) -- a Russian scientist and
inventor in the field of television. In 1907,
Rosing envisioned a TV system using the CRT on the
receiving side, and although it used a CRT, its
operation was electromechanical instead of purely
electronic (as all modern televisions derived from
the Farnsworth invention are).
1919m - Marconi acquires the yacht Elettra for
radio experiments.
1919m - Marconi is awarded the Italian Military
Medal in recognition of his war service.
1919m 11 - American Marconi Memo: To RCA. -
American Marconi transferred to RCA ownership of
its three high power land stations and
installations on approximately 350 ships. Signed,
John W. Griggs, American Marconi.
1919s
- 1210 - PATENT EXPIRES: Stubblefield's Flying
Machines 1912 U.S. Patent, #1046895, Letters Patent
granted for 7 years from December 10, 1912.
(expires Dec 10, 1919).
1919-1224 - Murray's third school auditorium at
Eighth and Main perished in flames, just as the
first two had. The time was Christmas Eve of 1919.
A new school building arose at Eighth and Main, now
Murray Middle School.
1919s - Nathan's Letter Re: Journal, on May 23
(Handwritten original).
1919s - Pattie Stubblefield marries Henry White in
Little Rock, Arkensa.
1919s
1220 -
PATENT Filed:
Bernard Stubblefield's Canadian Patent 227,421
"Engine Primer," filed Dec. 20, 1919.
1919 - Dies: Carnegie at Shadowbrook. Carnegie's
gravestone is made of stone taken from Skibo. It
reads: Andrew Carnegie. was Born in Dunfermline,
Scotland, 25 November 1835. Died in Lenox,
Massachusetts, 11 August 1919.
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- 1919 /
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Excerpts found on
this page are from:
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Stubblefield, the Radio Boy" & "The SMART-DAAF
BOYS"©1992 and
"Disappointments Are Great, Follow the Money, The
Internet - D-diaries - ©2006 - Published and
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