Improvements In Or Relating To Optical (High Refractive Index) Glass

Optical glasses from thorium oxide and beryllium oxide with RI 1.693-1.761.

Author
Carl-Zeiss-Stiftung
Origin
Unknown
Journal Title
Bp 1 153 600, 29/5/69
Sector
Refractive Indexes
Class
RI 37

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Improvements In Or Relating To Optical (High Refractive Index) Glass
Bp 1 153 600, 29/5/69
RI 37
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