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Silent Communications: Barbourville, Kentucky, Douglas Rea
Reflections, Tana Kellner
A Photographic Recorder For Experimental Parachute Test Data, Peter Vredenburg
A Photographic Recorder For Experimental Parachute Test Data, Peter Vredenburg
Theses
Improvement in the ability to record and retrieve experimental data in general enhances the degree of utilization of information. Recent advances in electronic logic circuits, and the advent of the light emitting diode, make possible the utilization of photography as an initial recording medium. This improves the retrieval time for data, since it can be reduced and coded prior to recording with modern solid state circuits. A feasibility study, and construction of a prototype recorder was done for application to experimental parachute test data. The recorder monitors strain gage response at a sample rate of 20 per second, converts the …
A Comparison Of Phenidone Determinations In Photographic P.Q. Developers, Ernest Dankert Jr
A Comparison Of Phenidone Determinations In Photographic P.Q. Developers, Ernest Dankert Jr
Theses
Five methods for determining Phenidone in Phenidone-hydroquinone were investigated with aspect to accuracy, precision, and time required to perform the analysis. The methods include ultraviolet spectroscopy, colorimetric estimation, and cerimetric titrations. A cerimetric analysis was found to have the greatest precision, a 7% error at the 95% confidence level. All analyses required approximately the same time to complete. Each analysis allowed the accuracy to be adjusted, i0 compensate for operator techniques
A Study Of Latent Image Fading In So-343, Mitchell Glasser
A Study Of Latent Image Fading In So-343, Mitchell Glasser
Theses
Experimental evidence indicates that a high intensity, short duration exposure produces surface image exclusively in this emulsion. The ensuing fading was shown not to be caused by internal migration of the latent image. The high intensity exposure produced a massive amount of sub image nuclei which could subsequently be rendered developable by a low intensity post exposure. This latensification failed to achieve an improvement in image stability, in that the amount of fading was shown to be solely a function of the density of the fresh exposure. It was hypothesized that although this treatment did raise some grains from an …