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Letter from Leonidas H. Berry to Rienhold Wapper, American Cystoscope Makers, Inc.,

Pelham Manor, New York, noting that ACMI is the father of fiber optic instruments and biopsy in gastroscopy; about his book coming out in the fall, hoping it will eliminate the need for technic pamphlets; and stating that if they decide to go into the development of forward-viewing and side-viewing instrument he would like to be the first endoscopist to develop the instrument with them as he has previously said

Courtesy National Library of Medicine

Page with typewritten text.