Special laboratory of the mint
Worker in the special laboratory of the mint. He is protected against the dangerous vapors of the chlorite (necessary for gold refining) by a gas mask. San Francisco. 1934. Photograph
Picture No
14005468
Media ID
46797077
Size
2501px x 3543px
(1.9MB)
Credit
Mary Evans/brandstaetter images/Austrian Archives (S)
Source
brandstaetter images - Austrian Archives (S)
