Hirth minimeter

Made:: circa 1920; 1907 in Southmead

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Hirth minimeter, reading to 1/10,000 of an inch
Science Museum Group
© The Board of Trustees of the Science Museum

Hirth minimeter, reading to 1/10,000 of an inch, with pillar stand; made c 1920 to a 1915 patented design.

Details

Category:: Industrial Metrology

Object Number:: 1921-140

Materials:: steel

Measurements:: overall: 425 mm x 240 mm diameter

type:: lever micrometer comparator

credit:: New Fortuna Machine Co.

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