Three principal designs existed.

Three open-source keyer / keyset designs are available: The pickey a ps / 2 device based on the PIC microcontroller, the spiffchorder a USB device based on the Atmel AVR family of microcontrollers, and the GKOS keypad driver for Linux as well as the Gkos library for the Atmel / Arduino open source board.

Three designs to affect the tilt of the rotor are a tilting hub ( Cierva ), swashplate ( Air & Space 18A ), or servo-flaps ( Kaman SAVER ).

Three distinct designs of the iBook were introduced during its lifetime.

Three different box designs

Three editions were published, the first in 1754, followed by a virtual reprint in 1755, and finally a revised and enlarged edition in 1762, by which time Chippendale's illustrated designs began to show signs of Neoclassicism.

Three new designs were created for high tops, inspired by The Who.

EBR-II was later modified to test other reactor designs, including a fast-neutron reactor and, in 1982, the Integral Fast Reactor concept — a revolutionary design that reprocessed its own fuel, reduced its atomic waste and withstood safety tests of the same failures that triggered the Chernobyl and Three Mile Island disasters.

Three other designs continued to be used after the Chrysler buyout: the Grand Wagoneer full-size luxury SUV, the full-sized J-series pickups, built on the same chassis as the earlier SJ model Wagoneers and Cherokees that dated from 1963 with the AMC V8, and the Jeep Comanche ( MJ ) compact pickup, which debuted in 1986.

Three companies were asked to submit designs: Metall und Lackierwarenfabrik Johannes Großfuß AG of Döbeln, Rheinmetall-Borsig of Sömmerda, and Stübgen of Erfurt.

Three new designs were needed, because the Post Office elected to add $ 1, $ 2 and $ 5 stamps to the series ( previously, the top value of any definitive issue had been 90 ¢).

Three years after Starley's death in 1901, and H. J. Lawson's subsequent takeover, the Rover company began producing automobiles with the two-seater Rover Eight to the designs of Edmund Lewis, who came from Lawson's Daimler.

Henry Kaiser also ignored his business partner's protests to not tool up for 250, 000 cars in 1949 when the company now had to face all-new designs from the Big Three.

When Herb Klynn ’ s Format Films made a deal to develop the Three Chipmunks for animation, the old designs were rejected and new versions of the characters were created.

Three coins had Bicentennial-inspired designs added to their reverse sides for 1976 issuance: the quarter featuring a colonial drummer and a torch encircled by thirteen stars, designed by Jack L. Ahr ; the half dollar with Independence Hall, designed by Seth G. Huntington ; and the silver dollar with the Liberty Bell superimposed over the Moon, designed by Dennis R. Williams.

Three other dinghy designs also bore the ' Mirror ' name: the ( Mirror ) Miracle of 12ft 8ins length, the Marauder or Mirror 14 ( 14ft 6ins ), and the Mirror 16 ( 16ft 1ins ).

Three of the walls, facing east, west, and south, feature stained glass designs representing qualities of Australian servicemen and women.

The world tree is visible in the designs of the Crown of Silla, Silla being one of the Three Kingdoms of Korea.

Three designs producing uniform magnetic fields within their central air gap

Riverfront, Busch Stadium in St. Louis, Atlanta-Fulton County Stadium in Atlanta, Jack Murphy Stadium in San Diego, Three Rivers Stadium in Pittsburgh, Shea Stadium in New York, RFK Stadium in Washington, D. C., and Veterans Stadium in Philadelphia all opened within a few years of each other and were largely indistinguishable from one another ; in particular, it was often confused with fellow Ohio River cookie-cutter Three Rivers Stadium by sportscasters because of the two stadium's similar names and similar designs.

Landis created several characters with similarities to King Kong in his films ( including Schlock – the title hero ; in Kentucky Fried Movie – animal showing during TV's show ; in An American Werewolf in London in ZOO ; in Trading Places in the train during New Year's Eve ) or inserted images of gorillas in his films as part of production designs: in The Blues Brothers on promotional poster of fictional movie called See You Next Wednesday ( the same situation in The Stupids ) and on the poster in Three Amigos ( shows as one of advertisement of Goldsmith Studios ), in Innocent Blood we may see a monkey from the movie playing on television ; in Blues Brothers 2000 it appears as a huge gorilla's figure in Queen Mousette's House.

Three different cabinet designs exist for Tempest.

" Three designs for the Dark Troopers were produced for Dark Forces.

Three distinct classes of loans are made available to farmers' cooperatives by the Banks for Cooperatives: Commodity loans, operating capital loans, and facility loans.

Three methods for determining the dimensional restorability characteristics are established for those textiles which require restoration by ironing or wearing after laundering.

Three specimens for each sample to be tested are required in order to arrive at a satisfactory average of performance.

Three quarters to 1 acre of good land is enough for raising fruits and vegetables for home use, and for a small flock of chickens, a cow, and two pigs.

Three years ago it became possible to finance a Braille edition for blind readers.

The Jazz Three displayed their sound musicianship, not only in their own chosen set, but as the emergency accompanists for Al Minns & Leon James, the superb jazz dancers who have now been Newport performers for three successive years, gradually moving up from a morning seminar on the evolution of the blues to a spot on the evening program.

So, for that matter, are the newer dances -- the `` Kalmuk Dance '' with its animal movements, that genial juggling act by Sergei Tsvetkov called `` The Platter '', the rousing and beautiful betrothal celebration called `` Summer '', `` The Three Shepherds '' of Azerbaijan hopping up on their staffs, and, of course, the trenchant `` Rock 'n' Roll ''.

The most important text for the study of early Korean is the Hyangga, a collection of 25 poems, of which some go back to the Three Kingdoms period ( 57 – 668 AD ), but are preserved in an orthography that only goes back to the 9th century AD ( Miller 1996: 60 ).

His later novels included fixups such as The Beast ( aka Moonbeast ) ( 1963 ), Rogue Ship ( 1965 ), Quest for the Future ( 1970 ) and Supermind ( 1977 ); expanded short stories ( The Darkness on Diamondia ( 1972 ), Future Glitter ( aka Tyranopolis ) ( 1973 ); original novels such as Children of Tomorrow ( 1970 ), The Battle of Forever ( 1971 ) and The Anarchistic Colossus ( 1977 ); plus sequels to his classic works, many of which were promised, but only one of which appeared, Null-A Three ( 1984 ; originally published in French ).

( See, for example, the character of Oliver Manders in Three Act Tragedy.

* 1939 Tea for Three ( dramatised by Margery Vosper from the short story Accident )

Three more, to contain the Chorale Preludes with Schweitzer's analyses, were to be worked on in Africa: but these were never completed, perhaps because for him they were inseparable from his evolving theological thought.

Three different types of punch cards were used: one for arithmetical operations, one for numerical constants, and one for load and store operations, transferring numbers from the store to the arithmetical unit or back.

Three days after Stanton's removal, the House impeached Johnson for intentionally violating the Tenure of Office Act, by a vote of 128 to 47.

In East Asia, Goguryeo, one of the Three Kingdoms of Korea was well known for its regiments of exceptionally skilled archers.

Three emulators of the machine exist, ElectrEm for Windows / Linux / Mac OS X, Elkulator for Windows / DOS and the Multi-system emulator MESS.

The site has a 90, 000-square foot heated indoor practice facility, Three outdoor NFL natural turf football fields that feature an immediate gravity drainage system, and a complete kitchen and dining facilities for team meals.

Three works Team Cars with 16-valve twin cam engines were built for racing and record breaking: chassis number 1914, later developed as the Green Pea ; chassis number 1915, the Razor Blade record car ; and chassis number 1916, later developed as the Halford Special.