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"OPTICAL-GLASS ETCHER"
Job Description and Jobs

Job Description:

  • 1) Etches numerals and graduation lines on prisms and other optical glass surfaces for use in optical instruments, using pantograph engraver: Mounts glass specimens in holder.

  • 2) Dips glass elements in molten wax to obtain uniform protective coating.

  • 3) Positions tracing stylus of pantograph on template and guides stylus around template.

  • 4) Inscribes pattern of lines and numerals on elements in wax coating with needle which is affixed to pantograph arm.

  • 5) Exposes glass to hydrofluoric acid fumes to etch pattern.

  • 6) Cleans glass with water and solvents.

  • 7) Fills etched characters with opaque paste to improve readability.

  • 8) Inspects etched work for uniformity, using calibrated microscope.

 

 

 


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End Of Job Description for: "OPTICAL-GLASS ETCHER"
DOT:   716.681-022

Job Number: 6968