NIKOLAI ZELINSKY
NIKOLAI ZELINSKY Russian scientist, invented the first carbon-filter gas mask, winner of many Soviet awards
Picture No
10147340
Media ID
47370690
Size
3120px x 3622px
(2.3MB)
Credit
Mary Evans Picture Library
Source
Unnamed photographer in Soviet Calendar 1917-1947 about 1/4 through
Date
before 1884 - after 1947
