| Job Title |
Jewel-bearing Maker |
| Job Description |
Grinds, Drills, And Finishes Sapphire Jewel Bearings For Use
In Precision Instruments, Such As Compasses, Meters, And
Chronometers: Grinds And Faces Sapphire Blanks To Flatten
Surfaces, And Turns Edges, To Form Bearings Of Specified Size
And Thickness. Drills And Finishes Holes In Centers Of Bearings.
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