Prior to the introduction of AutoCAD, most other CAD programs ran on mainframe computers or minicomputers, with each CAD operator ( user ) working at a graphical terminal or workstation.

Prior to the introduction of the ubiquitous fax machine, one of the first being the Exxon Qwip in the mid-1970s, facsimile machines worked by optical scanning of a document or drawing spinning on a drum.

Prior to the introduction of modern reinforced-soil gravity walls, cantilevered walls were the most common type of taller retaining wall.

Prior to the introduction of the Latin term, incest was known in Old English as sibbleger ( from sibb ' kinship ' + leger ' to lie ') or mǣġhǣmed ( from mǣġ ' kin, parent ' + hǣmed ' sexual intercourse ') but in time, both words fell out of use.

Prior to the introduction of plastics, it was used for billiard balls, piano keys, Scottish bagpipes, buttons and a wide range of ornamental items.

Prior to the introduction of the cannon and ships with sufficient capacity to carry the large guns, navy warfare primarily involved ramming and boarding actions.

Prior to the introduction of PostScript, printers were designed to print character output given the text — typically in ASCII — as input.

Prior to the introduction of pneumatic tires, riding over the large wheel of the " penny-farthing " gave a much smoother ride, which accounts for their popularity.

Prior to the introduction of this new technology, moving image production was only available to the consumer ( or the artist for that matter ) by way of eight or sixteen millimeter film, but did not provide the instant playback that video tape technologies offered.

Prior to the introduction of contrapposto, the statues that dominated ancient Greece were the archaic kouros ( male ) and the kore ( female ).

Prior to the introduction of standard time, each municipality around the civilized world set its official clock, if it had one, according to the local position of the Sun ( see solar time ).

Prior to the introduction of the mechanical cotton gin, cotton had required considerable labor to clean and separate the fibers from the seeds.

Prior to the introduction of specialised video connector standards such as SCART, TVs were designed to only accept signals through the aerial connector: signals originate at a TV station, are transmitted over the air, and are then received by an antenna and fed into the TV.

Prior to the introduction of BS 25999, BCP professionals relied on information security standard BS 7799, which only peripherally addressed BCP to improve an organization's information security procedures.

Prior to the introduction of the 802. 1Q standard, several proprietary protocols existed, such as Cisco's ISL ( Inter-Switch Link ) and 3Com's VLT ( Virtual LAN Trunk ).

Prior to the introduction of a new city charter on June 20, 1984, council members in Windom were referred to as alderpersons.

Prior to the introduction of fibreglass as a construction material, dories were more popular because their ease of assembly and, thereby, lower cost.

Prior to the introduction of inks made with aniline dyes in 1856, the quality of copies made on letter copying presses was limited by the properties of the available copying inks.

Prior to the introduction of the basic chromium species in tanning, several steps are required to produce a tannable hide.

Prior to the introduction of antibiotics, colloidal silver was used as a germicide and disinfectant.

Prior to the introduction of videotape in 1956, kinescopes were the only way to record television broadcasts, or to distribute network television programs that were broadcast live from New York or other originating cities, to stations not connected to the network, or to stations that wished to show a program at a different time than the network broadcast.

Prior to the introduction of the Bulletin Board System ( BBS ), modems typically operated on direct-dial telephone lines that always began and ended with a particular modem at each end.

Prior to the introduction of the term " PDA " by Apple in 1992, handheld personal organizers such as the Sharp Wizard and the Psion Organiser were also referred to as " PIMs ".

Prior to the introduction of Beta Hi-Fi, Sony shifted the Y carrier up by 400 kHz to make room for the four FM carriers that would be needed for Beta Hi-Fi.

Prior to introduction the reborn " TC1 " after a year of road testing received improvements to critical chassis components due to the harsher roads of rural Argentina and a lot of parts were re-selected for ease of availability although most of it still had to be imported from European Ford plants.

Prior to the bubonic plague epidemic known as the Black Death, Mongol and Turkish armies were reported to have catapulted disease-laden corpses into besieged cities.

Florida shut the Cubs out in Game 5, but young pitcher Mark Prior led the Cubs in Game 6 as they took a 3 – 0 lead into the 8th inning and it was at this point when a now-infamous incident took place.

Prior to developing EISA, Compaq invested significant resources into reverse engineering MCA.

Prior for it seems quite probable that the shape of the flowers suggested the idea of a glove, and that associated with the name of the botanist Fuchs, who first gave it a botanical name, may have been easily corrupted into foxglove.

Prior to his departure, Oxford entered into two indentures.

Prior to 1979, the symbol < span style =" font-size: 112 %"></ span > ( script small l, U + 2113 ), came into common use in some countries ; for example, it was recommended by South African Bureau of Standards publication M33 and Canada in the 1970s.

Prior to 1820, the bark was first dried, ground to a fine powder, and then mixed into a liquid ( commonly wine ) which was then drunk.

Prior to the Marian reforms ( see below ) the heavy infantry was subdivided, according to experience, into three separate lines of troops:

Prior to this, the flow of spice into Europe from India was controlled by Islamic powers, especially Egypt.

Prior to the arrival of the Tai people and culture into what is now Thailand, the region hosted a number of indigenous Mon-Khmer and Malay civilizations.

Prior to 1871 the government of the United States regularly entered into treaties with Americans of the United States but the Indian Appropriations Act of March 3, 1871 ( ch.

Prior to the center being built, visitors to the Capitol had to queue on the parking lot and ascend the stairs, whereupon entry was made through the massive sculpted Columbus Doors, through a small narthex cramped with security, and thence directly into the Rotunda.

Prior to and during blood feeding, blood-sucking mosquitoes inject saliva into the bodies of their source ( s ) of blood.

Prior to the commencement of the invasion four Navy SEALs, Lt Edward S. Coughlin, EN-3 Timothy K. Eppley, ET-1 Randy L. Beausoleil, and PH-2 Chris Dye, swam underwater into the harbor on Draeger LAR-V rebreathers and attached C4 explosives to and destroyed Noriega's personal gunboat the Presidente Porras.

Prior to its incorporation into the national park this section constituted the Cape Point Nature Reserve ;

Prior to that, Memphis was served by two primary electric companies, which were merged into the Memphis Power Company.

Prior to highly mechanized container transfers, crews of 20-22 longshoremen would pack individual cargoes into the hold of a ship.

Prior to the entry of Italy into World War I, Lussu joined the army and was involved in several skirmishes.

Prior to independence, the act allowed the U. S to maintain military forces in the Philippines and to call all military forces of the Philippine government into U. S. military service.

Prior to its conversion into a museum, it was a residence.

Prior to the first act, an induction frames the play as a " kind of history " played in front of a befuddled drunkard named Christopher Sly who is tricked into believing that he is a lord.

Prior to the 1986 – 87 season, the Lakers moved A. C. Green into the starting lineup, and acquired Mychal Thompson from the Spurs.

Early in the fourteenth century, Prior Eastry erected a stone choir screen, and his successor, Prior Oxenden inserted a large five-light window into St Anselm's chapel.

Prior to the start of the 2007 – 08 season, the Blue Jackets organization brought a hand-made replica 1857 Napoleon cannon into Nationwide Arena.