OPTICAL-GLASS ETCHER

Domain	Definition
Occupations	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. Dips glass elements in molten wax to obtain uniform protective coating. Positions tracing stylus of pantograph on template and guides stylus around template. Inscribes pattern of lines and numerals on elements in wax coating with needle which is affixed to pantograph arm. Exposes glass to hydrofluoric acid fumes to etch pattern. Cleans glass with water and solvents. Fills etched characters with opaque paste to improve readability. Inspects etched work for uniformity, using calibrated microscope. (references)
Source: compiled by the editor from various references; see credits.

Anagrams: OPTICAL-GLASS ETCHER

Scrabble® Enable2K-Verified Anagrams
	Words within the letters "a-a-c-c-e-e-g-h-i-l-l-o-p-r-s-s-t-t"
	-5 letters: archipelagoes, ectoparasites, scholasticate, telegraphists.
Source: compiled by the editor from various references; see credits. SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro.

Alternative Orthography: OPTICAL-GLASS ETCHER

Hexadecimal (or equivalents, 770AD-1900s) (references)

Leonardo da Vinci (1452-1519; backwards) (references)

Binary Code (1918-1938, probably earlier) (references)

HTML Code (1990) (references)

ISO 10646 (1991-1993) (references)

Encryption (beginner's substitution cypher): (references)

Specialty Definition: OPTICAL-GLASS ETCHER