Letter from Donald McEchern to Wilder Penfield, July 13, 1934.

Typewritten letter from Donald McEachern to Wilder Penfield. McEachern invites Penfield to speak at a monthly meeting of the Johns Hopkins Medical Society. He reports that there are no funds to pay for speakers' expenses, but thought if Penfield was in the area for other reasons, he could also attend a meeting. McEachern closes his letter writing about working with Dr.Meyer on the Brain model, sends his "kindest regards" to Penfield and Mrs. Penfield, and notes that he has included some photograph of the Neurological Institute that he took when he was in Montreal.

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