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in subjects: "ventilation systems"  
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Abilene City Hall Alterations: Revised Second Floor Mechanical Plan

Description: Revised mechanical plan for the second floor of the city hall building in Abilene, Texas. It includes a large drawing of the floor plan for the second floor with labels showing where each room is and notations regarding the heating, plumbing, ventilation, and air conditioning systems throughout the floor.
Date: December 15, 1950
Creator: David S. Castle Co.
Item Type: Refine your search to only Technical Drawing
Partner: Tittle-Luther/Parkhill, Smith and Cooper, Inc.

Improvement in ventilating cars, &c.

Description: Patent for a system which prevents ashes and cinders from railroad engines from entering the train cars and also allows for ventilation of the cars. Includes illustration.
Date: August 22, 1876
Creator: Andrews, Wright S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
captions transcript

[News Clip: Arlington Smoking]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: December 22, 1993, 6:00 p.m.
Duration: 1 minute 45 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Video
Partner: UNT Libraries Special Collections

Car-Ventilator.

Description: Patent for a railroad car ventilator, which supplies fresh air to the car and sends stale air out of the car. It also is equipped with an ice cooling system and a disinfectant spray system.
Date: March 9, 1909
Creator: Carroll, Samuel C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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