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14 Nov 1874 Jahr - Typhus & DDT

Beschreibung:

DDT was discovered to be a powerful insecticide. Used as powder, it was administered through blowing machines which directed DDT straight to the lice and zap them

Zugefügt zum Band der Zeit:

Datum:

14 Nov 1874 Jahr
Jetzt
~ 151 years ago

Abbildungen: