The next few years saw a race to design, implement, and market several rival sound-on-disc and sound-on-film sound formats, such as Photokinema ( 1921 ), Phonofilm ( 1923 ), Vitaphone ( 1926 ), Fox Movietone ( 1927 ), and RCA Photophone ( 1928 ).

He also appeared in a test film for the Photokinema sound-on-disc process in 1921.

Judge Lindsey appeared as himself in the film The Soul of Youth ( 1920 ), directed by William Desmond Taylor, and in Judge Ben Lindsey in the Juvenile Court ( 1921 ), the latter film made in the experimental Photokinema sound-on-disc process.

Warde also recorded an early sound film Frederick Warde Reads Poem, A Sunset Reverie ( 1921 ) which was made in the short-lived sound-on-disc Phono-Kinema process.

In 1921, his third year at the university, he published his first scientific works in the Italian journal Nuovo Cimento: the first was titled: On the dynamics of a rigid system of electrical charges in translational motion ; the second: On the electrostatics of a uniform gravitational field of electromagnetic charges and on the weight of electromagnetic charges.

In " Liberty and the News " ( 1919 ) and " Public Opinion " ( 1921 ) Lippmann expressed the hope that liberty could be redefined to take account of the scientific and historical perspective and that public opinion could be managed by a system of intelligence in and out of government.

From shortly after the Outer Mongolian Revolution of 1921 until 1990, the Mongolian Government was modeled on the Soviet system ; only the communist party –– the MPRP –– officially was permitted to function.

* 1921 – Jack Valenti, American film executive, created the MPAA film rating system ( d. 2007 )

In April 1921, speaking before a special joint session of Congress which he had called, Harding argued for peacemaking with Germany and Austria, emergency tariffs, new immigration laws, regulation of radio and trans cable communications, retrenchment in government, tax reduction, repeal of wartime excess profits tax, reduction of railroad rates, promotion of agricultural interests, a national budget system, an enlarged merchant marine and a department of public welfare.

To improve and expand the nation's highway system, President Harding signed the Federal Highway Act of 1921.

From 1921 to 1923, the federal government spent $ 162 million on America's highway system, infusing the U. S. economy with a large amount of capital.

In the USA The Federal Aid Highway Act of 1921 ( Phipps Act ) enacted a fund to create an extensive highway system.

After 1918 the SPD played an important role in the political system of the Weimar Republic, although it took part in coalition governments only in few years ( 1918 – 1921, 1923, 1928 – 1930 ).

Irish independence in 1921 was marked more by continuity with the British legal system than with change.

Holly YMCA in 1921 after voters adopted a new law providing for the creation of a county library system.

* May 15 – 16, 1921, one of the largest geomagnetic storms caused the entire signal and switching system of the New York Central Railroad below 125th street in New York City to be put out of operation.

The city joined the county library system in 1921.

President Harding, in his inaugural address on March 4, 1921, called for a prompt and thorough revision of the tax system, an emergency tariff act, readjustment of war taxes, and creation of a federal budget system.

From 1921 to 1924, Case provided Lee De Forest with inventions of the Case Research Lab for use as improvements in De Forest's Phonofilm system, but had a falling-out with De Forest after failing to be credited for those inventions, such as the AEO Light, that made De Forest's system workable.

As of the general election in 1921, universal and equal franchise was introduced for men and women alike, and the Riksdag finally achieved a system of democratic representation for all citizens who were at least 23 years old on election day.

Numbers using the Poor Law system increased during the interwar years and between 1921 – 38 despite the extension of unemployment insurance to virtually all workers except the self-employed.

In 1921, Ernest De Witt Burton stated that in, " nomou is here evidently used ... in its legalistic sense, denoting divine law viewed as a purely legalistic system made up of statutes, on the basis of obedience or disobedience to which individuals are approved or condemned as a matter of debt without grace.

Because the family was critical of the new Soviet system, they left Russia in 1921.

In 1921, the market was sold to the Cali municipality, very close to the 9th street, were located the principal station of the tranvia of Cali, this system linked the city with suburban areas.

The Ontario education system had five years of secondary education, known as Grade 13 from 1921 to 1984 ; grade 13 was replaced by OAC in 1984.

The fifth year in the Ontario secondary school system had existed in Ontario for 82 years, from 1921 to 2003, first as Grade 13, and then as the Ontario Academic Credit.

This was reinforced when their foremost interpreter and performer, Gervase Elwes ( who had initiated the music festivals at Brigg in Lincolnshire at which Percy Grainger and others had developed their collections of country music ) died in a horrific accident in 1921.

To move the backward economy of Russia towards a more developed economy in which socialism would become possible, the Bolsheviks adopted a policy of mixed economics, from 1921 to 1928, and also created the Union of Soviet Socialist Republics at the end of 1922.

According to Cooper there was " Early Cubism ", ( from 1906 to 1908 ) when the movement was initially developed in the studios of Picasso and Braque ; the second phase being called " High Cubism ", ( from 1909 to 1914 ) during which time Juan Gris emerged as an important exponent ; and finally Cooper referred to " Late Cubism " ( from 1914 to 1921 ) as the last phase of Cubism as a radical avant-garde movement.

Banting developed an interest in painting beginning around 1921 while he was in London, Ontario.

The area was developed between 1921 and 1932 by the London County Council as a large council estate of 27, 000 homes, intended as " homes for heroes " after World War I.

The population rose dramatically between 1921 and 1931, when the London County Council developed the Becontree Estate.

At her death, the trustee of her estate and brother, Adrian Honoré, sold her local land holdings to Burks Hamner, Longleaf Pine forest: 1921 Burgert Brothers photo of Temple Terrace pre-development Vance Helm, Maud Fowler, Cody Fowler, and D. Collins Gillett, who formed two development corporations — Temple Terrace Estates, Inc., which developed the golf course and residential areas ; and Temple Terraces, Inc., which developed of orange groves that originally surrounded the city to the west and north, the largest orange grove in the world in the 1920s.

He also developed the first mathematical description of dipole-dipole interactions in 1921.

It was developed gradually from 1921 to 1925, and incorporated as a city in 1931.

Also in 1913, New York surgeon Henry H. Janeway ( 1873 – 1921 ) published results he had achieved using a laryngoscope he had recently developed.

After the destruction of the central College Hall in 1914, the college adopted a master plan developed by Central Park landscape architect Frederick Law Olmsted, Jr., Arthur Shurcliff, and Ralph Adams Cram in 1921 and expanded into several new buildings.

The original master plan for Wellesley's campus landscape was developed by Frederick Law Olmsted, Jr., Arthur Shurcliff, and Ralph Adams Cram in 1921.

Herbert Berliner left Berliner Gramophone of Canada in 1921 and developed Compo into a full-fledged record company.

The rules for the Downhill were originally developed by Sir Arnold Lunn for the 1921 British National Ski Championships.

John Boyd Dunlop ( 1840 – 1921 ) lived in a large 18th century house called " South Hill " and developed the first practical pneumatic or inflatable tyre.

Wynn wrote, directed, and produced many Broadway shows in the subsequent decades, and was known for his silly costumes and props as well as for the giggly, wavering voice he developed for the 1921 musical review, The Perfect Fool.

The village of Colonie was incorporated on March 2, 1921 and was barely developed beyond anything more than buildings along the Albany-Schenectady Road ( NY Route 5 ).

It is where Alfred Watkins first developed his theory of Ley lines on June 30, 1921.

In 1920, Rosenstock-Huessy published Die Hochzeit des Krieges und der Revolution ( The Marriage of War and Revolution ), “ a collection of current events essays that were replete with visionary thinking and practical warnings of conflicts to come .” In 1921, Rosenstock-Huessy published Angewandte Seelenkunde ( Practical Knowledge of the Soul ) wherein he developed a new method for the social sciences based on language, the spoken word, and his " grammatical approach.

Canadian military officer Lieutenant Colonel James " Buster " Sutherland Brown developed an earlier counterpart to War Plan Red called Defense Scheme No. 1 on April 12, 1921.

Functional integration was developed by P. J. Daniell in a paper of 1919 and Wiener in a series of studies culminating in his papers of 1921 on Brownian motion.

That same year, Henry H. Janeway ( 1873 – 1921 ) published results he had achieved using another new laryngoscope he had recently developed.

Avoidant and schizoid patterns were frequently confused or referred to synonymously until Kretschmer ( 1921 ), in providing the first relatively complete description, developed a distinction.