Composite prisms and prismatic magnification systems comprising same
United States Patent 2855819
US Patent References:
/0312290.html
- - 0312290

/0586247.html
- - 0586247

/0720386.html
- - 0720386

/0982772.html
- - 0982772

Method of making refractory glass
- - 1610581


Inventors:
Luboshez, Benjamin E.
Publication Date:
10/14/1958
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Assignee:
EASTMAN KODAK CO
Primary Class:
359/669
Other Classes:
359/678, 359/837
International Classes:
G02B13/10; G02B13/08
US Patent References:
1811946Level indicator
1932082Photographic objective
1937342Material for controlling illumination
2048284Variable focus correcting lens
2088660Anamorphosing optical system
Foreign References:
FR1091814A
FR1101419A