1984-05-07
1985-11-05
Henry, Jon W.
350143, 350618, G02B 718, G02B 2722
Patent
active
045509786
ABSTRACT:
A hand-held viewing device is provided which creates a stereoscopic illusion when flat subject matter is viewed. The device is comprised of a housing which defines two parallel and identical rectangular channels in contiguous side-by-side juxtaposition, and confines first and second flat reflectors which shift upwardly the line of sight through said channels.
REFERENCES:
patent: 672609 (1901-04-01), Young
Henry Jon W.
Rainer Norman B.
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