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A timing circuit is described similar in principle to the Neddermeyer ``chronotron,'' but with the following simplifications and modifications: parallel‐wire polythene‐tape line to eliminate co‐ax ``plumbing,'' germanium crystal detectors, and a delay‐line presentation circuit. This...
The particular type of alignment diagram for the function U ⋅ V = W in which the U and V scales lie on the circumference of the same circle and the W scale along a diameter is developed in detail. The forms of the diagram for which certain intervals on these scales are maximized in their spread...
The usefulness of the Buerger precession method for single crystal x‐ray diffraction studies is increased by the following techniques: (1) The use of a nomogram to facilitate the setting and operation of the instrument; (2) the simplification of orientation and lattice measurement techniques;...
The counter characteristics of a discharge tube using plane‐parallel electrodes have been investigated, particularly with regard to the short time lags inherent in the streamer type of spark which occur with such a geometry at near‐atmospheric pressure. Construction details for...
A general formula is derived for the evaluation of correction factors in the study of preferred orientations in flat specimens. These factors depend on orientation of the sample, angles of diffraction, thickness of specimen, etc. In practical applications a graphical presentation of the...
In a β‐ray spectrometer with axial homogeneous magnetic field, it is shown that optimum energy resolution and luminosity are obtained when the trajectories make an angle close to 45° with the field and that an annular resolving slit should be provided at a determined radial and axial location...
A single lens convergent light apparatus is described with which diffusion in liquids may be studied by an interference method. Details of the optical elements and their mounting and alignment are given as well as the design of a temperature control regulating near 0°C to within 0.01°C. A...
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