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English Thickness Dial Indicator. This thickness gauge is a precision measuring tool typically used to measure the thickness of sheet metal. Measurement range of the dial indicator is 1-5 inches, plus or minus. The indicator works by placing it above the item to be measured, and pressing down. A small pin in pushed inward rotating the dial and giving the desired measurement. Made of steel by Arrow Ltd for Newall Engineering Co. Ltd. Old Fletton, Peterborough, England. |
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