Steam pressure gauge and recorder

Steam pressure gauge and recorder

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Credit: MARK SYKES/SCIENCE PHOTO LIBRARY

Caption: Steam pressure gauge and recorder. Artwork of a self-registering steam pressure gauge with a dial (right) to show the reading and a rotating drum of paper (left) to record the reading. The gauge mechanism moves a pen across the steadily moving paper, with higher pressures moving the pen higher up the paper. This produces a permenent record of the variation in pressure with time. This is a British model, dating from the nineteenth to early twentieth century.

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Keywords: artwork, automated, automatic, black-and-white, energy, engineering, equipment, heat, historical, history, history of science, hot, illustration, industrial, industry, instrument, measurement, measurements, monochrome, paper, pen, power, pressure gauge, recorder, recording, self-registering, steam, technological, technology

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