Banting, Frederick Grant, Sir, 1891-1941

[Toronto]

August 26 1922

1 leaf ; 28 x 21 cm.

Carbon copy of a typescript letter. Dr. Banting explains to Dr. Walters why Lilly insulin batch 4500 is of very poor quality.

insulin:L10436

MS. COLL 76 (Banting) Box 9, Folder 11
Title based on content of item.

Walters, A. L. (Dr.)
Insulin - Early manufacture