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Random digit generator
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Apparatus for analyzing the spectral data in an elemental analyzer measuring gamma rays arising from neutron capture in bulk substances
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Apparatus for controlling neutrons escaping from an elemental analyzer measuring gamma rays arising from neutron capture in bulk substances
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Digital circuit for measuring relative frequency in separate pulse trains
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Unipolar wide-range current-to-frequency converter
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Digital telemetering system for subsurface instrumentation
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Circuitry for use with an ionizing-radiation detector
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Method of measuring the duration of a discontinuous signal
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Wide-range current-to-frequency converter
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Frequency-programmed electron-capture detector
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