gaging ring
1Ring gauge — A Ring gage or Ring gauge is a cylindrical ring of steel whose inside diameter is finished to gage tolerance and is used for checking the external diameter of a cylindrical object. Ring gages are used for comparative gaging as well as for… …
2Medicine wheel — For the Medicine Wheel in Big Horn County, Wyoming, USA, see Medicine Wheel National Historic Landmark. The Medicine Wheel in Bighorn National Forest, Wyoming, USA …
3Neil Armstrong — For other uses, see Neil Armstrong (disambiguation) …
