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Letter from Leonidas H. Berry to Zenjiro Okuda, Scopus Photograph Co., New York, New York,

with suggestions about how to ship a delicate instrument camera to him and asking that his film processing expenses be covered for the upcoming study for Olympus Optical Company "A Comparative Study of 'Gastro Camera' Photography, Gastroscopy and X-ray in Gastric Disease"

Courtesy National Library of Medicine