A micrometer is a useful instrument used by engineers and metrologists in almost all industries for very precise and accurate measurements. They are extensively used for essential metrological ...
This is a robust one pan balance with an iron and marble base, and a tag on front that reads “The / Micrometer / Balance / Scale Co. / Troy, N.Y. / Patented Nov. 22 – 1892 / Mar. 22 – 1898 / Jul. 21 – ...
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