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Fixed tilt solar collector employing reversible vee-trough reflectors and vacuum tube receivers for solar heating and cooling systems. Final report. JPL Publication 77-78

Description: The objective of the Vee-Trough/Vacuum Tube Collector (VTVTC) Project was to prove the usefulness of vee-trough concentrators in improving the efficiency and reducing the cost of collectors assembled from evacuated tube receivers. The VTVTC was analyzed rigorously and various mathematical models were developed to calculate the optical performance of the vee-trough concentrator and the thermal performance of the evacuated tube receiver. A test bed was constructed to verify the mathematical analy… more
Date: December 1, 1977
Creator: Selcuk, M. K.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Preliminary Catalog of Earthquakes in Northern Imperial Valley, California, April--June 1977

Description: Seismic monitoring of the northern section of the Imperial Valley region in southern California has been underway since 1973. A description of the 22-station network and a list of preliminary data on earthquakes recorded by the network from April 1977 through June 1977 are presented. (JGB)
Date: January 1, 1977
Creator: Jenkins, D. & Fuis, G.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
captions transcript

[News Clip: Art]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: October 9, 1977, 5:30 p.m.
Duration: 1 minute 33 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Video
Partner: UNT Libraries Special Collections
open access

Experimental evaluation of a fixed collector employing vee-trough concentrator and vacuum tube receivers

Description: A test bed for experimental evaluation of a fixed solar collector which combines an evacuated glass tube solar receiver with a flat plate/black chrome plated copper absorber and an asymmetric veetrough concentrator was designed and constructed. Earlier predictions of thermal performance were compared with test data acquired for a bare vacuum tube receiver; and receiver tubes with Alzak aluminum, aluminized FEP Teflon film laminated sheet metal and second surface ordinary mirror reflectors. Test… more
Date: January 1, 1977
Creator: Selcuk, M. K.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
transcript

History From the Bottom Up

Description: Sound recording of a talk at the 1977 Oral History Association Colloquium in San Diego titled "History From the Bottom Up".
Date: October 22, 1977
Duration: 1 hour 31 minutes 11 seconds
Creator: Oral History Association
Item Type: Refine your search to only Sound
Partner: UNT Libraries Special Collections
transcript

San Diego Workshop Welcome

Description: Sound recording of Wyatt and Schultz giving a welcome speech during an Oral History Association Workshop in San Diego, California.
Date: October 20, 1977
Duration: 47 minutes 33 seconds
Creator: Oral History Association
Item Type: Refine your search to only Sound
Partner: UNT Libraries Special Collections
transcript

Interviewing Techniques

Description: Sound recording of a talk titled "Interviewing Techniques" given during the 1977 Oral History Association Colloquium in San Diego, California. The talk is specifically about techniques of mass media interviewing.
Date: October 22, 1977
Duration: 1 hour 31 minutes 18 seconds
Creator: Oral History Association
Item Type: Refine your search to only Sound
Partner: UNT Libraries Special Collections
transcript

Oral History in Hawaii

Description: Sound recording of a talk titled "Oral History in Hawaii" given during the 1977 Oral History Association Colloquium in San Diego, California.
Date: October 23, 1977
Duration: 1 hour 28 minutes 30 seconds
Creator: Oral History Association
Item Type: Refine your search to only Sound
Partner: UNT Libraries Special Collections
transcript

The Why of Oral History

Description: Sound recording of a talk titled "The Why of Oral History" given during an oral history workshop in San Diego, California. Research for the talk was done by Manfred Waserman, teaching by Gwendolyn Safier, and preservation by Kenneth W. Rock.
Date: October 20, 1977
Duration: 3 hours 32 minutes 55 seconds
Creator: Oral History Association
Item Type: Refine your search to only Sound
Partner: UNT Libraries Special Collections
transcript

Funding Oral History

Description: Sound recording of talk titled "Funding Oral History" given during the 1977 Oral History Association given by Willa K. Baum and Thomas Charlton in San Diego, California.
Date: October 21, 1977
Duration: 1 hour 24 minutes 36 seconds
Creator: Oral History Association
Item Type: Refine your search to only Sound
Partner: UNT Libraries Special Collections
transcript

Latin American Oral History

Description: Sound recording of a talk titled "Latin American Oral History" given during the 1977 Oral History Association Colloquium in San Diego, California.
Date: October 21, 1977
Duration: 1 hour 36 minutes 26 seconds
Creator: Oral History Association
Item Type: Refine your search to only Sound
Partner: UNT Libraries Special Collections
open access

Paleozoic-Mesozoic Boundary in the Berry Creek Quadrangle, Northwestern Sierra Nevada, California

Description: Abstract: Structural and petrologic studies in the Berry Creek quadrangle at the north end of the western metamorphic belt of the Sierra Nevada have yielded new information that helps in distinguishing between the chemically similar Paleozoic and Mesozoic rocks. The distinguishing features are structural and textural and result from different degrees of deformation. Most Paleozoic rocks are strongly deformed and thoroughly recrystallized. Phenocrysts in metavolcanic rocks are granulated and dra… more
Date: 1977
Creator: Hietanen, Anna Martta
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
transcript

Wind, Water, and Quake

Description: Sound recording of a talk titled "Wind, Water, and Quake" recorded during the 1977 Oral History Association Colloquium in San Diego, California.
Date: October 23, 1977
Duration: 1 hour 27 minutes 22 seconds
Creator: Oral History Association
Item Type: Refine your search to only Sound
Partner: UNT Libraries Special Collections
transcript

Film History

Description: Sound recording of a talk titled "Reel-on-Reel Film History" given at the 1977 Oral History Association Colloquium in San Diego, California.
Date: October 22, 1977
Duration: 1 hour 16 minutes 36 seconds
Creator: Oral History Association
Item Type: Refine your search to only Sound
Partner: UNT Libraries Special Collections
transcript

Reliability of Memory

Description: Sound recording of a talk titled "Reliability of Memory" given during the 1977 Oral History Association Colloquium in San Diego, California.
Date: October 22, 1977
Duration: 1 hour 16 minutes 25 seconds
Creator: Oral History Association
Item Type: Refine your search to only Sound
Partner: UNT Libraries Special Collections
transcript

Philanthropic Foundations

Description: Sound recording of a talk titled "Philanthropic Foundations" recorded during the 1977 Oral History Association Colloquium in San Diego, California.
Date: October 22, 1977
Duration: 1 hour 36 minutes 01 second
Creator: Oral History Association
Item Type: Refine your search to only Sound
Partner: UNT Libraries Special Collections
transcript

Tale of Two Cities

Description: Sound recording of a talk titled "Tale of Two Cities" given during the 1977 San Diego Colloquium in San Diego, California. The cities mentioned in the talk are Houston, Texas and Phoenix, Arizona.
Date: October 21, 1977
Duration: 54 minutes 22 seconds
Creator: Oral History Association
Item Type: Refine your search to only Sound
Partner: UNT Libraries Special Collections
captions transcript

[News Clip: Actor]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: September 23, 1977, 5:00 p.m.
Duration: 2 minutes 40 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Video
Partner: UNT Libraries Special Collections
open access

Distribution of Nitrate in Ground Water Redlands, California

Description: Report and geographical survey. This report examines the distribution of nitrates in the Redland area's ground water and concludes that this distribution depends primarily upon depth below the water table and areal location. Includes several maps and figures.
Date: March 1977
Creator: Eccles, Lawrence A. & Bradford, Wesley L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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