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 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 final ratification, enterprises were already migrating to 802. 11n networks based on the Wi-Fi Alliance's certification of products conforming to a 2007 draft of the 802. 11n proposal.

Prior to 1954 I imagine that a majority of Southerners would have voted against the Confederacy.

Prior to 1942, automobiles were the individual responsibility of the agency to which assigned.

Prior to 1960, in order to provide matching for the minimum ( base ) allotment, State funds had to equal 1954 State funds.

Prior to and since 1960 the rest of the support allotment is matched at rates related to the fiscal capacity of the State, with a pivot of 40% State ( or 60% Federal ) participation in total program costs.

Prior to World War 2, there was a higher percentage of endogamous marriages than after World War 2.

Prior to the featured race, the stewards announced that apprentice James P. Verrone is suspended ten days for crowding horses and crossing the field sharply in two races on Wednesday.

Prior to that he was associated with Long Island University in Brooklyn.

With the Prior Analytics, Aristotle is credited with the earliest study of formal logic, and his conception of it was the dominant form of Western logic until 19th century advances in mathematical logic.

Prior to Kennedy Center, it screened films in the auditorium of the National Gallery of Art.

Prior to meeting Mallowan, Christie had not had any extensive brushes with archaeology, but once the two married they made sure to only go to sites where they could work together.

Alastair Cook scored 189 and both Ian Bell and Matt Prior made centuries.

Prior to this, the monastery would be a mere priory, headed by a prior who acts as superior but without the same degree of legal authority that an abbot has.

Abbot Francis Michael and Prior Anthony Delisi ( on the left ) of Monastery of the Holy Spirit, a Trappist monastery in Conyers, Georgia, USA.

* Accreditation of Prior Learning ( UK ) refers to a reduction in the amount of study required to pass a degree, due to previous experience or study.

Prior to modern times, there was no distinction between architects, engineers and often artists, and the title used varied depending on geographical location.

# Prior to being drawn and enabled, one is unable to believe … able only to resist.

Prior to leaving Mahallat, Hasan Ali Shah equipped himself with letters appointing him to the governorship of Kerman.

Prior to the Akkadian period the progressive salinisation of the soils, produced by poorly drained irrigation, had been reducing yields of wheat in the southern part of the country, leading to the conversion to more salt-tolerant barley growing.

He wrote many commentaries on the works of Aristotle, extant are those on the Prior Analytics, Topics, Meteorology, Sense and Sensibilia, and Metaphysics.

* J. Barnes, S. Bobzien, K. Flannery, K. Ierodiakonou, 1991, Alexander of Aphrodisias: On Aristotle Prior Analytics 1. 1-7.