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Title: 6" Bourdon type Pressure Gauge, graduated to 300 lbs per sq [Go to resource]
Description: 6" Bourdon type Pressure Gauge, graduated to 300 lbs per sq. in., with glass dial, showing interior, no.5695833 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Creator: Budenberg Gauge Company Identifier: 1921-725 Go to resource More Like this...
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