Although many factors can be used to measure the success of the industry, the number of British films produced each year gives an overview of its development: the industry experienced a boom as it first developed in the 1910s ( see 1910s in film ), but during the 1920s ( see 1920s in film ) experienced a recession caused by US competition and commercial practices.

The overall performance of the Honduran economy remained closely tied to banana prices and production from the 1920s until after the mid-century because other forms of commercial export agriculture were slow to emerge.

In the early 1920s George O. Squier was granted patents for a system for the transmission and distribution of signals over electrical lines which was the technical basis for what later became muzak, a technology streaming continuous music to commercial customers without the use of radio.

However, it was less popular when commercial radio broadcasting began in the 1920s, mostly due to the need for an extra tube ( for the oscillator ), the generally higher cost of the receiver, and the level of technical skill required to operate it.

The teleostereograph machine, a forerunner to the modern electronic fax, was developed by AT & T's Bell Labs in the 1920s ; however, the first commercial use of image facsimile telegraph devices dates back to the time of Samuel F. B. Morse's invention in the 1800s.

These produced a polyalphabetic substitution cipher, and were widely thought to be unbreakable in the 1920s, when a variant of the commercial Model D was first used by the German military.

From the 1880s through the 1920s, logging took place in many groves in spite of marginal commercial returns.

The earliest uses of the term appear to have been commercial — for example, the Delmarva Heat, Light, and Refrigerating Corp. of Chincoteague, Virginia, was in existence by 1913 — but general use of the term did not occur until the 1920s.

* Microform information storage technology uses microphotography to achieve commercial viability in the 1920s.

Some attempts were made to improve it in the 1920s, but the last commercial traffic used it in 1934, and it gradually became derelict after that.

The commercial timber industry in Grant County grew rapidly in the 1920s, and again during and after World War II.

During the 1920s American artists Gerald Murphy, Charles Demuth and Stuart Davis created paintings prefiguring the pop art movement that contained pop culture imagery such as mundane objects culled from American commercial products and advertising design.

Located in a pine covered valley in the San Gabriel Mountains, the area was first developed as cattle ranches in the 19th century by Nathan and Truman Swarthout, then later the main ranch, owned by Sumner Wright was broken up into residential and commercial lots and by the 1920s a community took roots.

* The commercial historic district in the heart of the old town contains important examples of architecture from the period of the Florida land boom of the 1920s.

The corporation Castle & Cooke, which owns the Dole Food Company had intended in 2009 to demolish much of what remains of the historic district, including homes, a laundromat, and a jailhouse all dating back to the 1920s, in order to build new commercial structures.

The first licensed commercial radio services began on AM in the 1920s.

Some commercial establishments came about by the early 1920s, when the name " Bryans Road " first appeared on maps.

Willis identified bank investments in, and loans to finance purchases of, government securities during World War I as the beginning of the corruption of commercial banking that culminated in the “ speculative excesses ” of the 1920s.

A 1934 study of commercial bank affiliate underwriting of securities in the 1920s found such underwriting was not better than the underwriting by firms that were not affiliated with banks.

Throughout the 1980s and 1990s scholars published studies arguing that commercial bank affiliate underwriting during the 1920s was no worse, or was better, than underwriting by securities firms not affiliated with banks and that commercial banks were strengthened, not harmed, by securities affiliates.

Kuttner acknowledged “ de facto enroads ” before Glass-Steagall “ repeal ” but argued the GLBA ’ s “ repeal ” had permitted “ super-banks ” to “ re-enact the same kinds of structural conflicts of interest that were endemic in the 1920s ”, which he characterized as “ lending to speculators, packaging and securitizing credits and then selling them off, wholesale or retail, and extracting fees at every step along the way .” Stiglitz argued “ the most important consequence of Glass-Steagall repeal ” was in changing the culture of commercial banking so that the “ bigger risk ” culture of investment banking “ came out on top .” He also argued the GLBA “ created ever larger banks that were too big to be allowed to fail ”, which “ provided incentives for excessive risk taking .” Warren explained Glass-Steagall had kept banks from doing “ crazy things .” She credited FDIC insurance, the Glass-Steagall separation of investment banking, and SEC regulations as providing “ 50 years without a crisis ” and argued that crises returned in the 1980s with the “ pulling away of the threads ” of regulation.

During the 1920s the small town club Åtvidabergs IF played in the fifth tier of swedish football.

Research in the 1920s and 1930s identified what appeared to be a new type of Rickettsia, isolated from ticks, that was able to pass through filters.

From the 1920s filters began to be designed from the image point of view, mostly being driven by the requirements of telecommunications.

In the 1920s and 1930s Mormons began migrating out of Utah, a trend hurried by the Great Depression, as Mormons looked for work wherever they could find it.

Between the late 1920s and the 1950s, he traveled across the region, educating local people about what meteorites looked like and what to do if they thought they had found one, for example, in the course of clearing a field.

Many of these activist scholars looked back to the Peasant movement in India and to the theories of the revolution in China led by Mao Zedong starting in the 1920s.

Dobzhansky had been influenced by his exposure in the 1920s to the work of a Russian geneticist named Sergei Chetverikov who had looked at the role of recessive genes in maintaining a reservoir of genetic variability in a population before his work was shut down by the rise of Lysenkoism in the Soviet Union.

By the early 1920s, it had adopted a new and more ambitious mission: to promote military and civilian aviation through applied research that looked beyond current needs.

* Although Karl Benz is credited with the modern automobile, which was created in 1885, it looked nothing like the automobile in the film, and vehicles like that would not be available until the 1920s.

In the 1920s, the Scientific Movement in education looked for tests to measure students ' achievement to aid in curriculum development.

A discovery of Hugo Gernsback ( himself an immigrant from Luxembourg ), Frank R. Paul was influential in defining what both cover art and interior illustrations in the nascent science fiction pulps of the 1920s looked like.

In 1950, Editor & Publisher looked back at the newspaper columnists of the 1920s:

She referred to 1920s French artist and playful gender-bender Claude Cahun: “ Cahun looked at the limitlessness of an androgynous gesture, which I ’ ve always been interested in .”

The first picture discs of substantial size, sold as records meant only to be looked at and played, not put into a mailbox, appeared in the 1920s.

In the 1920s J Harlen Bretz looked deeper into the landscape and put forth his theory of the dam breaches and massive glacial floods from Lake Missoula.

During the 1920s prohibition era in the United States, cocktail shakers were produced in many different shapes and designs, including shakers that looked like penguins, zeppelins, lighthouses and airplanes.

In fact, his works from the late 1920s through the 1940s looked like nothing else that was being done, and indeed, they were rarely seen in the art world because Gleizes deliberately distanced himself from extensive participation in the Parisian scene.

This theory of Homer's influence on Beowulf remained very prevalent in the 1920s, but started to die out in the following decade when a handful of critics stated that the two works were merely “ comparative literature ” although Greek was known in contemporary England.

Lev Kuleshov was among the very first to theorize about the relatively young medium of the cinema in the 1920s.

Whale was openly gay throughout his career, something that was very unusual in the 1920s and 1930s.

Since the 1920s this discrepancy has been explained by the presence of isotopes ; the atomic mass of any isotope is very close to satisfying the whole number rule, with the mass defect caused by differing binding energies being significantly smaller.

Even so, his other works remained very popular after his death, with The Master Key appearing on St. Nicholas Magazines survey of readers ' favorite books well into the 1920s.

Electric boats were very popular from the 1880s until the 1920s, when the internal combustion engine took dominance.

When composer Jerome Kern proposed turning the very serious Show Boat into a musical, Ferber was shocked, thinking it would be transformed into a typical light entertainment of the 1920s.

Serious study of American radio drama of the 1920s and early 1930s is, at best, very limited.

This series ran for 321 issues, and established almost all the conventions of the genre, from the lurid and outlandish story to the melodramatic double titling that was used right up to the very end in the 1920s.

O ' Neill was very interested in the Faust theme, especially in the 1920s.

In the early 1920s the French authorities created a military cemetery at Fricourt, in which a very large number of German war dead, including Richthofen, were reinterred.

Zweig was a very prominent writer in the 1920s and 1930s, and befriended Arthur Schnitzler and Sigmund Freud.

He remained a very popular entertainer into the 1920s and performed regularly on radio, but his style started to sound more and more dated to the public as his career continued into the 1930s.

Growth continued, albeit very slowly, in the 1920s ; the maximum population of 643 was reached in 1930.

In the 1920s and 1930s floods were very severe.

The Czechs brought with them the custom of having very large families and by the 1920s they became the dominant culture in West.

Griffith performed the pivotal experiments — actually very many experiments — during the 1920s.

Costello continued to be a very influential gangster throughout the 1920s.

In the late 1920s he produced two experimental ( and very inexpensive ) short films: The Life and Death of 9413 -- a Hollywood Extra ( 1928 ) co-directed with Slavko Vorkapich, and Skyscraper Symphony the following year.

They signed a new recording contract with Capitol Records ( for whom Patty had become a featured soloist ) and released a dozen singles through 1959, some rock-and-roll flavored and not very well received, and three hi-fi albums, including a vibrant LP of songs from the dancing 1920s with Billy May's orchestra.

During the 1920s and very early 1930s, Henderson actually wrote few, if any, arrangements ; most of his recordings were arranged by Redman ( c. 1923 – 1927 ) or Benny Carter ( after 1927 – c. 1931 ).