Abstract
PRESSURE gauges for recording rapidly changing pressures, such as occur in discharge of firearms or explosions in closed vessels, usually consist of a pressure member which rotates a mirror suitably linked to it. The rotation of the mirror is used to give an optically enlarged indication of the deflexion of the pressure member. These methods have attendant disadvantages. In such gauges we have found it possible to use a photomicrographic method of magnification and recording pressure time curves.
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References
See "Oscillographs", Irwin, 1925, p. 24.
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TAYLOR, J., WARK, R. Photomicrographlc Method for Magnification and Recording in High Speed Pressure Indicators. Nature 129, 725 (1932). https://doi.org/10.1038/129725a0
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DOI: https://doi.org/10.1038/129725a0
