E. coli Genetic Stock Center

Department of Microbiology
Yale University School of Medicine
310 Ceder Street

New Haven, Connecticut, 06510 July 10, 1976

Dear Hela:

Unfortunately, the sample of W3208 which you so kindly sent
to us could not be revived. We would greatly appreciate receiving
another sample of this important old strain, if that is possible.

Wrth best regards,

“Bs andre

~? be wor ti - « Barbara J. Bachmann, Curator