Job Description:

• 1) Operates lathe to finish holes drilled in partially processed jewel bearings: Inserts bearings in lathe chuck.

• 2) Dips brass wire in diamond dust, inserts it into bearing hole, and rubs away high spots, working within tolerances of 0.

• 3) 0001 inch.

• 4) Inspects holes with magnifying glass and measures them with gauges and micrometers.

• 5) Bevels edges of holes.