Scope for viewing the internal surface of a bore or similar cavi

Details Scope for viewing the internal surface of a bore or similar cavi Scope for viewing the internal surface of a bore or similar cavi

1979-03-28

1981-02-10

Levy, Stewart J.

Optics: measuring and testing

Range or remote distance finding

With photodetection

356241, G02B 514

Patent

active

042497957

ABSTRACT:
A scope for viewing the internal surfaces of bores or similar cavities which includes a rod of optically clear material having an image transmitting end, a light gathering end, and a viewing surface intermediate to these ends. An optical surface is formed internally of the rod at an angle to the axis of the rod and serves to reflect the image of the cavity surface out of the rod for viewing.

REFERENCES:
patent: 2539828 (1951-01-01), Goldis et al.
patent: 2987960 (1961-06-01), Sheldon
patent: 3357433 (1967-12-01), Fourestier et al.
patent: 3724922 (1973-04-01), Jones
patent: 4135824 (1979-01-01), Jones

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