Abstract

A simple spark-gap light source together with an associated pulsing circuit has been utilized to produce light flashes of approximately 10⁻⁷-sec. duration suitable for the study of shock waves produced by high speed bullets and for the photography of shock and turbulent disturbances in supersonic air streams.

© 1947 Optical Society of America

A Study of the Short Duration, High Intensity, Electric Arc as a Source of Visible Light

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Spectrochemical Analysis by the Copper Spark Method*

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