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gastroscope was patented by basil hirschowitz , c. wilbur peters, and lawrence e. curtiss, researchers at the university of michigan , in . in the process of developing the gastroscope, curtiss produced the first glass-clad fibers; previous optical fibers had relied on air or impractical oils and waxes
gastroscope was patented by basil hirschowitz , c. wilbur peters, and lawrence e. curtiss, researchers at the university of michigan , in . in the process of developing the gastroscope, curtiss produced the first glass-clad fibers; previous optical fibers had relied on air or impractical oils and waxes...
https://en.wikipedia.org/wiki/Fiber_optic
gastroscope was patented by basil hirschowitz , c. wilbur peters, and lawrence e. curtiss, researchers at the university of michigan , in . in the process of developing the gastroscope, curtiss produced the first glass-clad fibers; previous optical fibers had relied on air or impractical oils and waxes
gastroscope was patented by basil hirschowitz , c. wilbur peters, and lawrence e. curtiss, researchers at the university of michigan , in . in the process of developing the gastroscope, curtiss produced the first glass-clad fibers; previous optical fibers had relied on air or impractical oils and waxes...
https://en.wikipedia.org/wiki/Optical_fiber