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Articles 31 - 54 of 54
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Tumbling Through Time: An Inquiry Into Vision, Charles Fisher
Design And Construction Of An Edge Exposure Apparatus, Michael Benson
Design And Construction Of An Edge Exposure Apparatus, Michael Benson
Theses
A means of producing photographic edges using visible radiation is often a requirement for evaluating some of the image characteristics of a photographic emulsion. The method of producing edges described uses a high quality razor blade for the knife edge held at a small angle to the film plane. The instrument is detailed and elaborates on the major features of the constructed apparatus. These features are a vacuum surface to insure film flattness; the knife edge held by a jaw-clamp assembly that pivots to allow for contrast control of the image; and exposure through a tungston-halogen lamp and an electronic …
Design, Construction, And Testing Of Sequentially Flashing Led Array To Study Angular Camera Motion In Hand Held Camera Systems, Randall Hube
Theses
This project deals with the construction of a device to determine the actual angular motion in a hand held camera system caused only by the holder. An array of LEDs (8x8) is flashed so that one LED flashes at a time in sequence. This sequence is photographed by a system suffering from motion effects and this is compared with the image of the array when no motion effects are present. The displacements of each "blip" with respect to time is used to determine the motion of the camera system.
An Investigation Of The Electrooptical Properties Of A Dipole Suspension Of Iodoquinine Sulfate, Michael Smalter, Roy Dohlen
An Investigation Of The Electrooptical Properties Of A Dipole Suspension Of Iodoquinine Sulfate, Michael Smalter, Roy Dohlen
Theses
The objective of this thesis is to investigate the electrooptical properties of a dipole suspension. A dipole suspension consists of needle-like crystals which, in the presence of an electric field, orient themselves parallel to it. If the dipoles align themselves parallel to incident light, the suspension will transmit the light. If no electric field is present, the dipoles are in a random state, and little light is transmitted. The projected area of the dipoles is smaller when they are in the aligned state. Commercially, a dipole suspension is available from Marks Polarized Corporation as the product Varad. This thesis will …
A Suite Of Color Images Printed By Screen Process, Pamela Brueckner
A Suite Of Color Images Printed By Screen Process, Pamela Brueckner
Theses
None provided.
Window, Bialy Mark
Window, Mark Bialy
Ocean-Marks, Donna Sylvester
Painted Motion, Joseph Litow
Urban Landscapes, Albert Robbins
Fireworks: Raku And Sawdust Fired Photography, Jerome Nevins
Development Of An Identity Program For The International Narcotics Control Board, United Nations, Geneva, Switzerland, Elizabeth Simon
Development Of An Identity Program For The International Narcotics Control Board, United Nations, Geneva, Switzerland, Elizabeth Simon
Theses
None provided.
Buteo Jamaicensis: The Red Tailed Hawk, Richard Sensenbach
Closet Photography, Alida Cronin
The Development Of Type Forms, Wayne Roth
Performance Analysis Of A Black Liquid Solar Collector, Jackson Trentelman
Performance Analysis Of A Black Liquid Solar Collector, Jackson Trentelman
Theses
The performance of a black liquid, sheet flow solar collector has been investigated both analytically and experimentally. In addition, its performance has been compared to that of a baseline collector of the tube and fin design. The black liquid solar collector was predicted to exhibit an instantaneous efficiency improvement of 10-15% over a well designed tube and fin collector. This result was confirmed experimentally. Long term efficiency calculations indicate similar performance improvements over long term use. The major contribution to improved efficiency was found to be the direct absorption process whereby a) the collector efficiency, F’, is unity and b) …
Application Of The Finite Element Method To The Solution Of Maximum Fillet Stresses In Loaded Projections, Victor Biller
Application Of The Finite Element Method To The Solution Of Maximum Fillet Stresses In Loaded Projections, Victor Biller
Theses
This thesis analyzes a geometric configuration under a loaded condition and establishes location and magnitude of the maximum fillet stress by the use of the Finite Element Method. Results are compared to Heywood's published study.
An Approach To Tone Reproduction For Converting Transparencies To Reflection Prints, Mark Mccormick-Goodhart, Andrew Macica
An Approach To Tone Reproduction For Converting Transparencies To Reflection Prints, Mark Mccormick-Goodhart, Andrew Macica
Theses
The purpose of this investigation was to study the useful criteria for converting transparencies to reflection prints, and examine the unavoidable departures from the criteria. A single useful criterion was found; that the relative brightness of the reproduction match those of the original. One significant compromise appeared to be in the shadow reproduction in low maximum density reflection prints. It was found that like reflection prints, transparencies do not typically reach relative brightnesses as low as zero. Thus, only a relatively small departure from the 1:1 criterion was likely . Flare in the camera system and viewing conditions limits the …
Control System For Hydraulic Hybrid Propulsion System, Vratislav Michal
Control System For Hydraulic Hybrid Propulsion System, Vratislav Michal
Theses
A control system for a Hydraulic Hybrid Propulsion System (HHPS) is proposed and specified. Performance of the control system is evaluated by means of digital computer simulation of the total propulsion system. In order to accomplish this, analytical models of HHPS components are developed. The simulation consists of a city bus negotiating a typical driving cycle developed for this purpose on the basis of actual city bus cycle data. Performance of the control system is found to be satisfactory in all phases of driving cycle with the exception of transition from acceleration to cruise.
Distinguishable Density Levels In Image Recording Of Earth Resources Satellite Data, Steven Beiser
Distinguishable Density Levels In Image Recording Of Earth Resources Satellite Data, Steven Beiser
Theses
The Earth Resources Technology Satellite (ERTS) system produces a large volume of images of the Earth, with exposed film as the final output. These Images are presented to the user in pictorial form for interpretation and analysis. Specifications for this output film include MTF requirements, development method requirements, geometric tolerance and the number of DDL's (distinguishable density levels). Given the specification of 64 levels of gray, with a minimum density range of 2.0, the following investigation is warranted. Using theoretical calculations, granularity will be determined at different density levels. Assuming that Selwyn's Law is valid for the range of apertures …
A Metalsmith's Guide To Toxicology, Margery Beth Rose
Large Deflection Of Thick Elastic Belts, J. L. Sisson
Some Reactions Of 2-Chloroethanesulfonyl Chloride, Paul Zielinski
Some Reactions Of 2-Chloroethanesulfonyl Chloride, Paul Zielinski
Theses
PART 1: THE FORMATION OF 2-METHYLAMIN0-N-0CTADECYLETHAHESULF0NAMIDE FROM 2-CHLOROETHANESULFONYL CHLORIDE. 2-Chloroethanesulfonyl chloride (2) was reacted with octadecylamine (3) in the presence of triethylamine to give N-octadecylethcnesulfonamide (4), which was reacted with methylamine to give 2-methylamino-N-octadecylethanesulfonamide (1). The first reaction involves formation of the sulfonamide and dehydrohalogenation. The second reaction is a Michael addition. The formation of 1 is favored in a polg.r, protic medium. An aprotic, less polar medium produces an unwanted di-Michael adduct CH3N(CH2CH2S02NHCl8H37)2 (8), and polymer. The intramolecular hydrogen bonded structure of 1 is discussed. PART 2: THE FORMATION OF ETHYL ETHENESULFONATE FROM 2-CHLOROETHANESULFONYL CHLORIDE OR ETHENESULFONYL CHLORIDE; A …
A Room, Ned Behnke
A Room, Ned Behnke
Theses
The purpose of this thesis is to make a series of heavy paintings on the concept of limited space using oil on canvas. The concept of "limited space" can be best illustrated in a series of rooms. I intend to accompany these with a poetic diary which will describe my techniques and will present the ideas which I included in the painting such as reflection in color. The "diary" will not be chronological, but related in the order of ideas. I will present the ideas which I have incorporated into the painting of the room especially those regarding how I …