Almost overnight a 3D industry developed and 250, 000 stereoscopes were produced and a great number of stereoviews, stereo cards, stereo pairs or stereographs were sold in a short time.

Rights to reproduce 650 of the expeditions ' 1, 400 stereographs were sold to help fund future Powell projects.

Photographer R. A. Bonine of Altoona, Pa took several stereographs of the Cresson area, including the Mountainhouse during the 1870-80s.

A stereoscope is a device for viewing stereographic cards ( also called stereographs ), which are cards that contain two separate images that are printed side-by-side to create the illusion of a three-dimensional image.

There is now also an emerging field of study ( Oliver Grau, 2004, and others ) that looks at the " pre-history " of video games, and at the branch of their roots that lie in: fairground attractions and sideshows such as shooting games ; early " Coney Island "- style pleasure parks with elements such as large roller-coasters and " haunted house " simulations ; nineteenth century landscape simulations such as dioramas, panoramas, planetariums, and stereographs ; and amusement arcades that had mechanical game machines and also peep-show film machines.

The collection contains 10, 999 glass negatives, plastic negatives, colour transparencies, lantern slides, and stereographs that have been fully catalogued and digitised.

The popular MP3 format is probably the best-known example, but the AAC format found on the iTunes Music Store is also common.

* ogg – a free, open source container format supporting a variety of formats, the most popular of which is the audio format Vorbis.

* wma – the popular Windows Media Audio format owned by Microsoft.

A popular amateur approach to animation is via the animated GIF format, which can be uploaded and seen on the web easily.

The Top 40 format emerged, where popular songs are played repeatedly.

Other luminaries include Keith Johnstone, the British teacher and writer – author of Impro, who founded the Theatre Machine and whose teachings form the foundation of the popular shortform Theatresports format, Dick Chudnow, founder of ComedySportz which evolved its family-friendly show format from Johnstone's Theatersports, Stan Wells, creator of the " Clap-In " longform style and founder of The Empty Stage Comedy Theatre in Los Angeles, and Bill Johnson, creator / director of The Magic Meathands, who pioneered the concept of " Commun-edy Outreach " by tailoring performances to non-traditional audiences, such as the homeless and foster children.

Due to song selection and quality of recordings, CD + G is the most popular format for English and Spanish.

Karaoke companies like Stingray Digital, Chartbuster and Easy Karaoke select popular songs and release soundalike tracks with lyrics synchronized, most commonly in CD + G format.

It includes the popular MPEG-1 Audio Layer III ( MP3 ) audio compression format.

During the 1980s, macro programs – originally SmartKey, then SuperKey, KeyWorks, Prokey – were very popular, first as a means to automatically format screenplays, then for a variety of user input tasks.

For example, the Beautiful music format that developed into today's Easy listening and Soft rock formats is nearly extinct due to a lack of interest from younger generations, whereas classic rock has become popular over the last 20 years or so and Jack FM has arisen only since 2000 or so.

The most popular format in the U. S. is country music, but rock music sells the most.

Freeform radio is particularly popular as a college radio format ; offshoots include the recent ( and somewhat controversial, due to its lack of on-air personalities ) eclectic-pop format known as variety hits, which plays a wide assortment of mostly top-40 music from a span of several decades ; and podcast radio, a mostly talk format pioneered by Infinity Broadcasting's KYOU station in California and Adam Curry's Podcast show on Sirius Satellite Radio.

While stereotyped as rural music, the Country music format is common and popular throughout the United States and in some other countries ( particularly Canada and Australia, both of which share much of the same Anglo-Saxon and Celtic roots as the United States ).

Country has been a popular radio format since the early days of music radio, dating back to the early days of radio itself when barn dance radio programs were widely popular ; however, the format was indeed originally a predominantly rural phenomenon, especially on AM radio.

Decades worth of efforts at mainstreaming the format eventually paid off when country radio became widely popular among a large number of FM radio stations that signed on in the suburban United States in the 1980s and early 1990s.

This format is popular among all ethnic groups and social classes.

A popular belief grew up after the war that the only time during the Civil War that Thomas ever put his horse to a gallop was when he went to hurry up Stanley for this assault.

Since Rhode Island at that time did not have such sanction, his opinion was not popular.

Later, rising ninety, he was beset by publishers for the story of his life and miracles, as he put it, but, calling himself the Needy Knife-grinder, he had spent his time writing short articles and long letters and could not get even a small popular book done.

But Curtis poured over $1 million into it and in time it again became one of the most popular weeklies of the country.

he knows that he was never more popular than at the time of the Russo-American `` honeymoon '' of 1959.

Without exception Hino's brothers turned to either one or both of their father's occupations, but Hino showed a talent for neither and instead spent most of his time on the beach where he repaired nets and proved immensely popular as a storyteller.

In my short period here I believe that at no time has he been otherwise than the most popular man on both sides of the aisle.

About that same time John Crosby's TV series on the popular arts proved again that giving jazz ample breathing space is one of the most sensible things a producer can do.

The account, which explains how the snake crushes and devours tigers, is full of popular misconceptions, but was much read at the time, and so gave rise to the myth of the anaconda of Ceylon.

Aretha Franklin and Rod Stewart also recorded " Amazing Grace " around the same time, and both of their renditions were popular.

Stylistic evidence suggests that the poem ( with most of Plato's other alleged epigrams ) was actually written some time after Plato had died: its form is that of the Hellenistic erotic epigram, which did not become popular until after 300 BC.

* 1957 – American Bandstand, a show dedicated to the teenage " baby-boomers " by playing the songs and showing popular dances of the time, debuts on the ABC television network.

Ultraviolet ( UV ) light curing adhesives, also known as light curing materials ( LCM ), have become popular within the manufacturing sector due to their rapid curing time and strong bond strength.

Grant's desire to widen her audience was frowned upon by the confines of the popular definitions of ministry at the time.

* 1939 – DC Comics publishes its second major superhero in Detective Comics # 27 ; he is Batman, one of the most popular comic book superheroes of all time.

Previous game consoles sometimes had a difficult time replicating the arcade experience in home versions of popular arcade games.

At the time, a key driver for success with a home console was the number of home conversions it had of popular arcade games.

In The Orthodox Corruption of Scripture, popular author and text critic Bart D. Ehrman argues that the Adoptionist Theology may date back almost to the time of Jesus and his view is shared by many other scholars.

Today, the village is now a small town and a popular holiday resort with most of its past and traditions having rapidly evaporated in the course of time.

A story, probably apocryphal but popular at the time, is that the appointment caused Montgomery to remark that " After having an easy war, things have now got much more difficult.

" By 1928, Fuller was living in Greenwich Village and spending much of his time at the popular café Romany Marie's, where he had spent an evening in conversation with Marie and Eugene O ' Neill several years earlier.

The first known public bus line ( known as a " Carriage " at that time ) was launched by Blaise Pascal in 1662 and was quite popular until fares were increased and access to the service was restricted to high society members by regulation.

A popular legend at the time was of the Amazons, a tribe of fierce female warriors who socialized with men only for procreation and even removed one breast to become better warriors ( the idea being that the right breast would interfere with the operation of a bow and arrow ).

The classic example is Franz Liszt's famous Hungarian Rhapsodies for piano, which he based on popular art songs performed by Romani bands of the time.

The fantasy game supplement Thieves World, based on the popular series of books by Robert Lynn Asprin, used both the system for Advanced Dungeons & Dragons as well as the RuneQuest variation of the BRP for character statistics, representing the two most popular game systems of the time.