A picture. The bacteriological bacteriological laboratory "Ptitzswara" in Pyatigorsk in 1930.

Black and white photo on a cardboard basis. S. N. Nikolsky, M. F. Skusuš, E. F. Rastegaev, Boris, A. V. Prokhorov, P. I. Drobyshev, V. L. Yakimov, V. M. Sadovskiy, A. M. Verbow.

Creation time: Июнь 1930.

Place of creation: Pyatigorsk