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 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.

As time passed, Prior Diego sanctioned the building of a monastery for girls whose parents had sent them to the care of the Albigensians because their families were too poor to fulfill their basic needs.

Prior to the 1970s the protection of basic air and water supplies was a matter mainly left to each state.

Prior lists of gun safety rules included as few as three basic safety rules or as many as ten rules including gun safety and sporting etiquette rules.

Prior to this, training in Kenjutsu had consisted mainly of basic technique practice and paired kata, using solid wooden practice swords ( bokutō ), or live blades.

Prior to college or university training, aspiring singers should learn to read music, study basic piano, and gain experience with singing, both in choirs and in solo settings.

Prior to this, the graphics package was limited, but followed a basic " ketchup and mustard " color scheme of red and yellow.

Prior Analytics gives an account of deductions in general narrowed down to three basic syllogisms while Posterior Analytics deals with demonstration.

Prior to the firefighters ' strikes of 2003, the regiment received basic firefighting training to provide emergency cover.

Prior to 1914 the basic Schutztruppe unit in Southeast Africa was the feldkompagnie comprising seven or eight German officers and NCOs with between 150 and 200 askaris ( usually 160 )-including two machine gun teams.

" Prior to this time the Roman Province had offered no specialized education of any sort, no arts, no philosophy ; only simple convent schools, with their basic courses in theology for resident friars, were functioning in Tuscany and the meridionale during the first several decades of the order's life.

Prior to the availability of high performance turboprops, basic training was conducted with jet aircraft such as the BAC Jet Provost, T-37 Tweet, and Fouga Magister.

Prior to this change, the basic Scuba Diver Badge was the same for all of the U. S. armed forces.

Prior to gaining its own sub-appellation, this region was responsible for nearly three-quarters of the wine labeled as basic Muscadet AOC.

" Prior to this time the Roman Province had offered no specialized education of any sort, no arts, no philosophy ; only simple convent schools, with their basic courses in theology for resident friars, were functioning in Tuscany and the meridionale during the first several decades of the order's life.

Prior to beginning a campaign, the player can run through the basic training portion of the game, which will cover the use of weapons, as well being trained in the use of artillery and airstrikes, along with basic medical skills and squad maneuvers.

Prior to the advent of Featherston, the judiciary was independent and on occasion made rulings displeasing to members of the legislative and executive branches-though discrimination of Blacks, first as slaves and later as non-citizen " residents ", was a basic ingredient of the system which the courts consistently upheld ( and which was, in fact, never challenged by any significant force among white Confederates )

Prior to the construction of Nova, LLNL had designed and built a series of ever-larger lasers that explored the problems of basic ICF design.