Assertion: inch | /r/HasProperty | 1 ÷ 40
Facets:
Source sentences:
text: The spindle of a micrometer graduated for the Imperial and US customary measurement systems has 40 threads per inch, so that one turn moves the spindle axially 0.025 inch (1 ÷ 40 = 0.025), equal to the distance between adjacent graduations on the sleeve.