Publisher's Synopsis
Excerpt from The Construction and Calibration of a New Type of Pressure Gauge: A Thesis Presented by Yoke H. Chan to the President and Faculty of Armour Institute of Technology for the Degree of Bachelor of Science in Mechanical Engineering, Having Completed the Prescribed Course of Study in Mechanical Engineering May 25, 1911
Pressure gauges that are commonly used in power plants and laboratories are the Bourdon metal tube gauges and the corrugated diaphragm gauges. The accuracy Of these are well enough for the ordinary commercial engineering practice; but where an error of one or two pounds means the acceptance or rejection of a large contract, it is clearly seen that an absolutely accurate pressure gauge is necessary.
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