Bidspirit auction | Nachi 225-250 mm -Inside- Micrometer

Nachi 225-250 mm -Inside- Micrometer in Wood Case - C-18760 Inside micrometer set housed in fitted wooden case, including a semi-circular micrometer frame with lightening holes and multiple extension rods with turned wooden grips. Designed for measuring internal diameters across a range, with labeled scale indicating capacity from approximately 225mm to 250mm. Retains original Japanese-language labels to interior lid and components, reflecting industrial precision tooling from a major Japanese manufacturer. This set includes all items pictured. Wear present to case with surface scratches and edge wear. Tools show light oxidation and handling wear. The components appear intact, micrometer appears to be in good condition. Case (approx): 13” W x 6” D x 2” H