Job Description:

• 1) Inspects parts for defects in finish and dimensions, using machine that projects magnified shadows of parts on screen: Reads specifications of part to ascertain form and degree to be magnified.

• 2) Draws enlarged outline of part to scale on chart, using scribers, dividers, and straightedge.

• 3) Places chart over translucent glass disk of comparator machine.

• 4) Inserts specified lens into machine and adjusts mirrors to magnify parts.

• 5) Positions and secures parts on machine table.

• 6) Turns light on and moves levers of machine to bring shadows of parts into focus with chart outline.

• 7) Inspects shadows for imperfections of finish and incorrect dimensions.

• 8) Prepares reports of findings.

• 9) May rotate part in holding fixture to examine surfaces and to verify concentricity of parts.